[
{
"name": "Computer science, information & general works",
"short": "0XX",
"query": "0*",
"children": [
{
"name": "Computer science, knowledge & systems",
"short": "00X",
"query": "00*",
"children": [
{
"name": "Computer science, information & general works",
"short": "000",
"query": "000*",
"count": 240
},
{
"name": "Knowledge",
"short": "001",
"query": "001*",
"count": 18674
},
{
"name": "The book (writing, libraries, and book-related topics)",
"short": "002",
"query": "002*",
"count": 1095
},
{
"name": "Systems",
"short": "003",
"query": "003*",
"count": 2290
},
{
"name": "Data processing & computer science",
"short": "004",
"query": "004*",
"count": 13329
},
{
"name": "Computer programming, programs & data",
"short": "005",
"query": "005*",
"count": 28411
},
{
"name": "Special computer methods",
"short": "006",
"query": "006*",
"count": 10284
},
{
"name": "009 [Unassigned]",
"short": "007–009",
"query": "[007 TO 009]",
"count": 471
}
],
"count": 73930
},
{
"name": "Bibliographies",
"short": "01X",
"query": "01*",
"children": [
{
"name": "Bibliography",
"short": "010",
"query": "010*",
"count": 561
},
{
"name": "Bibliographies",
"short": "011",
"query": "011*",
"count": 2359
},
{
"name": "Bibliographies of individuals",
"short": "012",
"query": "012*",
"count": 743
},
{
"name": "[Unassigned]",
"short": "013",
"query": "013*",
"count": 298
},
{
"name": "Bibliographies of anonymous & pseudonymous works",
"short": "014",
"query": "014*",
"count": 56
},
{
"name": "Bibliographies of works from specific places",
"short": "015",
"query": "015*",
"count": 2257
},
{
"name": "Bibliographies of works on specific subjects",
"short": "016",
"query": "016*",
"count": 61871
},
{
"name": "General subject catalogs",
"short": "017",
"query": "017*",
"count": 1029
},
{
"name": "Catalogs arranged by author, date, etc.",
"short": "018",
"query": "018*",
"count": 683
},
{
"name": "Dictionary catalogs",
"short": "019",
"query": "019*",
"count": 268
}
],
"count": 69731
},
{
"name": "Library & information sciences",
"short": "02X",
"query": "02*",
"children": [
{
"name": "Library & information sciences",
"short": "020",
"query": "020*",
"count": 2956
},
{
"name": "Library relationships (with archives, information centers, etc.)",
"short": "021",
"query": "021*",
"count": 1866
},
{
"name": "Administration of physical plant",
"short": "022",
"query": "022*",
"count": 876
},
{
"name": "Personnel management",
"short": "023",
"query": "023*",
"count": 460
},
{
"name": "[Unassigned]",
"short": "024",
"query": "024*",
"count": 57
},
{
"name": "Library operations",
"short": "025",
"query": "025*",
"count": 12257
},
{
"name": "Libraries for specific subjects",
"short": "026",
"query": "026*",
"count": 1968
},
{
"name": "General libraries",
"short": "027",
"query": "027*",
"count": 7811
},
{
"name": "Reading & use of other information media",
"short": "028",
"query": "028*",
"count": 2677
},
{
"name": "[Unassigned]",
"short": "029",
"query": "029*",
"count": 1449
}
],
"count": 32033
},
{
"name": "Encyclopedias & books of facts",
"short": "03X",
"query": "03*",
"children": [
{
"name": "General encyclopedic works",
"short": "030",
"query": "030*",
"count": 148
},
{
"name": "Encyclopedias in American English",
"short": "031",
"query": "031*",
"count": 2044
},
{
"name": "Encyclopedias in English",
"short": "032",
"query": "032*",
"count": 763
},
{
"name": "Encyclopedias in other Germanic languages",
"short": "033",
"query": "033*",
"count": 148
},
{
"name": "Encyclopedias in French, Occitan, and Catalan",
"short": "034",
"query": "034*",
"count": 261
},
{
"name": "Encyclopedias in Italian, Romanian, and related languages",
"short": "035",
"query": "035*",
"count": 56
},
{
"name": "Encyclopedias in Spanish & Portuguese",
"short": "036",
"query": "036*",
"count": 124
},
{
"name": "Encyclopedias in Slavic languages",
"short": "037",
"query": "037*",
"count": 44
},
{
"name": "Encyclopedias in Scandinavian languages",
"short": "038",
"query": "038*",
"count": 33
},
{
"name": "Encyclopedias in other languages",
"short": "039",
"query": "039*",
"count": 124
}
],
"count": 3722
},
{
"name": "Unassigned (formerly Biographies)",
"short": "04X",
"query": "04*",
"count": 428
},
{
"name": "Magazines, journals & serials",
"short": "05X",
"query": "05*",
"children": [
{
"name": "General serial publications",
"short": "050",
"query": "050*",
"count": 113
},
{
"name": "Serials in American English",
"short": "051",
"query": "051*",
"count": 1324
},
{
"name": "Serials in English",
"short": "052",
"query": "052*",
"count": 332
},
{
"name": "Serials in other Germanic languages",
"short": "053",
"query": "053*",
"count": 98
},
{
"name": "Serials in French, Occitan, and Catalan",
"short": "054",
"query": "054*",
"count": 376
},
{
"name": "Serials in Italian, Romanian, and related languages",
"short": "055",
"query": "055*",
"count": 91
},
{
"name": "Serials in Spanish & Portuguese",
"short": "056",
"query": "056*",
"count": 114
},
{
"name": "Serials in Slavic languages",
"short": "057",
"query": "057*",
"count": 19
},
{
"name": "Serials in Scandinavian languages",
"short": "058",
"query": "058*",
"count": 15
},
{
"name": "Serials in other languages",
"short": "059",
"query": "059*",
"count": 43
}
],
"count": 2522
},
{
"name": "Associations, organizations & museums",
"short": "06X",
"query": "06*",
"children": [
{
"name": "General organizations & museum science",
"short": "060",
"query": "060*",
"count": 456
},
{
"name": "Organizations in North America",
"short": "061",
"query": "061*",
"count": 230
},
{
"name": "Organizations in British Isles; in England",
"short": "062",
"query": "062*",
"count": 127
},
{
"name": "Organizations in central Europe; in Germany",
"short": "063",
"query": "063*",
"count": 89
},
{
"name": "Organizations in France & Monaco",
"short": "064",
"query": "064*",
"count": 54
},
{
"name": "Organizations in Italy & adjacent islands",
"short": "065",
"query": "065*",
"count": 34
},
{
"name": "Organizations in Iberian peninsula & adjacent islands",
"short": "066",
"query": "066*",
"count": 23
},
{
"name": "Organizations in eastern Europe; in Russia",
"short": "067",
"query": "067*",
"count": 32
},
{
"name": "Organizations in other geographic areas",
"short": "068",
"query": "068*",
"count": 214
},
{
"name": "Museum science",
"short": "069",
"query": "069*",
"count": 2514
}
],
"count": 3765
},
{
"name": "News media, journalism & publishing",
"short": "07X",
"query": "07*",
"children": [
{
"name": "News media, journalism, and publishing",
"short": "070",
"query": "070*",
"count": 10936
},
{
"name": "Newspapers in North America",
"short": "071",
"query": "071*",
"count": 1180
},
{
"name": "Newspapers in British Isles; in England",
"short": "072",
"query": "072*",
"count": 504
},
{
"name": "Newspapers in central Europe; in Germany",
"short": "073",
"query": "073*",
"count": 378
},
{
"name": "Newspapers in France & Monaco",
"short": "074",
"query": "074*",
"count": 240
},
{
"name": "Newspapers in Italy & adjacent islands",
"short": "075",
"query": "075*",
"count": 191
},
{
"name": "Newspapers in Iberian peninsula & adjacent islands",
"short": "076",
"query": "076*",
"count": 218
},
{
"name": "Newspapers in eastern Europe; in Russia",
"short": "077",
"query": "077*",
"count": 56
},
{
"name": "Newspapers in Scandinavia",
"short": "078",
"query": "078*",
"count": 54
},
{
"name": "Newspapers in other geographic areas",
"short": "079",
"query": "079*",
"count": 1120
}
],
"count": 14837
},
{
"name": "Quotations",
"short": "08X",
"query": "08*",
"children": [
{
"name": "General collections",
"short": "080",
"query": "080*",
"count": 592
},
{
"name": "Collections in American English",
"short": "081",
"query": "081*",
"count": 3655
},
{
"name": "Collections in English",
"short": "082",
"query": "082*",
"count": 1977
},
{
"name": "Collections in other Germanic languages",
"short": "083",
"query": "083*",
"count": 656
},
{
"name": "Collections in French, Occitan, Catalan",
"short": "084",
"query": "084*",
"count": 489
},
{
"name": "Collections in Italian, Romanian, & related languages",
"short": "085",
"query": "085*",
"count": 124
},
{
"name": "Collections in Spanish & Portuguese",
"short": "086",
"query": "086*",
"count": 343
},
{
"name": "Collections in Slavic languages",
"short": "087",
"query": "087*",
"count": 112
},
{
"name": "Collections in Scandinavian languages",
"short": "088",
"query": "088*",
"count": 11
},
{
"name": "Collections in other languages",
"short": "089",
"query": "089*",
"count": 388
}
],
"count": 8333
},
{
"name": "Manuscripts & rare books",
"short": "09X",
"query": "09*",
"children": [
{
"name": "Manuscripts and rare books",
"short": "090",
"query": "090*",
"count": 5510
},
{
"name": "Manuscripts",
"short": "091",
"query": "091*",
"count": 584
},
{
"name": "Block books",
"short": "092",
"query": "092*",
"count": 4682
},
{
"name": "Incunabula",
"short": "093",
"query": "093*",
"count": 98
},
{
"name": "Printed books",
"short": "094",
"query": "094*",
"count": 223
},
{
"name": "Books notable for bindings",
"short": "095",
"query": "095*",
"count": 145
},
{
"name": "Books notable for illustrations",
"short": "096",
"query": "096*",
"count": 259
},
{
"name": "Books notable for ownership or origin",
"short": "097",
"query": "097*",
"count": 92
},
{
"name": "Prohibited works, forgeries, and hoaxes",
"short": "098",
"query": "098*",
"count": 188
},
{
"name": "Books notable for format",
"short": "099",
"query": "099*",
"count": 38
}
],
"count": 11812
}
],
"count": 219835
},
{
"name": "Philosophy & psychology",
"short": "1XX",
"query": "1*",
"children": [
{
"name": "Philosophy",
"short": "10X",
"query": "10*",
"children": [
{
"name": "Philosophy & psychology",
"short": "100",
"query": "100*",
"count": 2156
},
{
"name": "Theory of philosophy",
"short": "101",
"query": "101*",
"count": 246
},
{
"name": "Miscellany",
"short": "102",
"query": "102*",
"count": 50
},
{
"name": "Dictionaries & encyclopedias",
"short": "103",
"query": "103*",
"count": 180
},
{
"name": "[Unassigned]",
"short": "104",
"query": "104*",
"count": 110
},
{
"name": "Serial publications",
"short": "105",
"query": "105*",
"count": 29
},
{
"name": "Organizations & management",
"short": "106",
"query": "106*",
"count": 24
},
{
"name": "Education, research, related topics of philosophy",
"short": "107",
"query": "107*",
"count": 109
},
{
"name": "Groups of people",
"short": "108",
"query": "108*",
"count": 267
},
{
"name": "History & collected biography",
"short": "109",
"query": "109*",
"count": 362
}
],
"count": 3495
},
{
"name": "Metaphysics",
"short": "11X",
"query": "11*",
"children": [
{
"name": "Metaphysics",
"short": "110",
"query": "110*",
"count": 1287
},
{
"name": "Ontology",
"short": "111",
"query": "111*",
"count": 2711
},
{
"name": "No longer used—formerly Methodology",
"short": "112",
"query": "112*",
"count": 40
},
{
"name": "Cosmology (Philosophy of nature)",
"short": "113",
"query": "113*",
"count": 668
},
{
"name": "Space",
"short": "114",
"query": "114*",
"count": 52
},
{
"name": "Time",
"short": "115",
"query": "115*",
"count": 442
},
{
"name": "Change",
"short": "116",
"query": "116*",
"count": 82
},
{
"name": "Structure",
"short": "117",
"query": "117*",
"count": 77
},
{
"name": "Force and energy",
"short": "118",
"query": "118*",
"count": 30
},
{
"name": "Number and quantity",
"short": "119",
"query": "119*",
"count": 19
}
],
"count": 5382
},
{
"name": "Epistemology",
"short": "12X",
"query": "12*",
"children": [
{
"name": "Epistemology, causation, and humankind",
"short": "120",
"query": "120*",
"count": 78
},
{
"name": "Epistemology (Theory of knowledge)",
"short": "121",
"query": "121*",
"count": 2999
},
{
"name": "Causation",
"short": "122",
"query": "122*",
"count": 142
},
{
"name": "Determinism and indeterminism",
"short": "123",
"query": "123*",
"count": 484
},
{
"name": "Teleology",
"short": "124",
"query": "124*",
"count": 72
},
{
"name": "No longer used—formerly Infinity",
"short": "125",
"query": "125*",
"count": 13
},
{
"name": "The self",
"short": "126",
"query": "126*",
"count": 619
},
{
"name": "The unconscious & the subconscious",
"short": "127",
"query": "127*",
"count": 11
},
{
"name": "Humankind",
"short": "128",
"query": "128*",
"count": 3814
},
{
"name": "Origin & destiny of individual souls",
"short": "129",
"query": "129*",
"count": 169
}
],
"count": 8379
},
{
"name": "Parapsychology & occultism",
"short": "13X",
"query": "13*",
"children": [
{
"name": "Parapsychology & occultism",
"short": "130",
"query": "130*",
"count": 292
},
{
"name": "Parapsychological and occult methods for achieving well-being, happiness, success",
"short": "131",
"query": "131*",
"count": 1684
},
{
"name": "No longer used—formerly Mental derangements",
"short": "132",
"query": "132*",
"count": 275
},
{
"name": "Specific topics in parapsychology & occultism",
"short": "133",
"query": "133*",
"count": 13558
},
{
"name": "No longer used—formerly Mesmerism & Clairvoyance",
"short": "134",
"query": "134*",
"count": 82
},
{
"name": "Dreams & mysteries",
"short": "135",
"query": "135*",
"count": 505
},
{
"name": "No longer used—formerly Mental characteristics",
"short": "136",
"query": "136*",
"count": 963
},
{
"name": "Divinatory graphology",
"short": "137",
"query": "137*",
"count": 492
},
{
"name": "Physiognomy",
"short": "138",
"query": "138*",
"count": 128
},
{
"name": "Phrenology",
"short": "139",
"query": "139*",
"count": 39
}
],
"count": 17967
},
{
"name": "Philosophical schools of thought",
"short": "14X",
"query": "14*",
"children": [
{
"name": "Specific philosophical schools and viewpoints",
"short": "140",
"query": "140*",
"count": 84
},
{
"name": "Idealism & related systems & doctrines",
"short": "141",
"query": "141*",
"count": 319
},
{
"name": "Critical philosophy",
"short": "142",
"query": "142*",
"count": 688
},
{
"name": "Bergsonism & intuitionism",
"short": "143",
"query": "143*",
"count": 9
},
{
"name": "Humanism & related systems & doctrines",
"short": "144",
"query": "144*",
"count": 416
},
{
"name": "Sensationalism",
"short": "145",
"query": "145*",
"count": 22
},
{
"name": "Naturalism & related systems & doctrines",
"short": "146",
"query": "146*",
"count": 548
},
{
"name": "Pantheism & related systems & doctrines",
"short": "147",
"query": "147*",
"count": 100
},
{
"name": "Dogmatism, eclecticism, liberalism, syncretism, & traditionalism",
"short": "148",
"query": "148*",
"count": 28
},
{
"name": "Other philosophical systems & doctrines",
"short": "149",
"query": "149*",
"count": 1304
}
],
"count": 3512
},
{
"name": "Psychology",
"short": "15X",
"query": "15*",
"children": [
{
"name": "Psychology",
"short": "150",
"query": "150*",
"count": 8331
},
{
"name": "No longer used—formerly Intellect",
"short": "151",
"query": "151*",
"count": 269
},
{
"name": "Sensory perception, movement, emotions, & physiological drives",
"short": "152",
"query": "152*",
"count": 4010
},
{
"name": "Conscious mental processes & intelligence",
"short": "153",
"query": "153*",
"count": 7123
},
{
"name": "Subconscious & altered states & processes",
"short": "154",
"query": "154*",
"count": 1391
},
{
"name": "Differential & developmental psychology",
"short": "155",
"query": "155*",
"count": 13498
},
{
"name": "Comparative psychology",
"short": "156",
"query": "156*",
"count": 447
},
{
"name": "No longer used—formerly Emotions",
"short": "157",
"query": "157*",
"count": 589
},
{
"name": "Applied psychology",
"short": "158",
"query": "158*",
"count": 9684
},
{
"name": "No longer used—formerly Will",
"short": "159",
"query": "159*",
"count": 1108
}
],
"count": 45480
},
{
"name": "Philosophical logic",
"short": "16X",
"query": "16*",
"children": [
{
"name": "Philosophical logic",
"short": "160",
"query": "160*",
"count": 1941
},
{
"name": "Induction",
"short": "161",
"query": "161*",
"count": 80
},
{
"name": "Deduction",
"short": "162",
"query": "162*",
"count": 30
},
{
"name": "164 Not assigned or no longer used",
"short": "163–164",
"query": "[163 TO 164]",
"count": 192
},
{
"name": "Fallacies & sources of error",
"short": "165",
"query": "165*",
"count": 100
},
{
"name": "Syllogisms",
"short": "166",
"query": "166*",
"count": 32
},
{
"name": "Hypotheses",
"short": "167",
"query": "167*",
"count": 4
},
{
"name": "Argument & persuasion",
"short": "168",
"query": "168*",
"count": 98
},
{
"name": "Analogy",
"short": "169",
"query": "169*",
"count": 31
}
],
"count": 2492
},
{
"name": "Ethics",
"short": "17X",
"query": "17*",
"children": [
{
"name": "Ethics (Moral philosophy)",
"short": "170",
"query": "170*",
"count": 4797
},
{
"name": "Ethical systems",
"short": "171",
"query": "171*",
"count": 1333
},
{
"name": "Political ethics",
"short": "172",
"query": "172*",
"count": 1272
},
{
"name": "Ethics of family relationships",
"short": "173",
"query": "173*",
"count": 298
},
{
"name": "Occupational ethics",
"short": "174",
"query": "174*",
"count": 5317
},
{
"name": "Ethics of recreation, leisure, public performances, communication",
"short": "175",
"query": "175*",
"count": 190
},
{
"name": "Ethics of sex & reproduction",
"short": "176",
"query": "176*",
"count": 552
},
{
"name": "Ethics of social relations",
"short": "177",
"query": "177*",
"count": 849
},
{
"name": "Ethics of consumption",
"short": "178",
"query": "178*",
"count": 784
},
{
"name": "Other ethical norms",
"short": "179",
"query": "179*",
"count": 2190
}
],
"count": 17375
},
{
"name": "Ancient, medieval, & Eastern philosophy",
"short": "18X",
"query": "18*",
"children": [
{
"name": "Ancient, medieval, eastern philosophy",
"short": "180",
"query": "180*",
"count": 523
},
{
"name": "Eastern philosophy",
"short": "181",
"query": "181*",
"count": 3707
},
{
"name": "Pre-Socratic Greek philosophies",
"short": "182",
"query": "182*",
"count": 354
},
{
"name": "Sophistic, Socratic, related Greek philosophies",
"short": "183",
"query": "183*",
"count": 264
},
{
"name": "Platonic philosophy",
"short": "184",
"query": "184*",
"count": 744
},
{
"name": "Aristotelian philosophy",
"short": "185",
"query": "185*",
"count": 330
},
{
"name": "Skeptic & Neoplatonic philosophies",
"short": "186",
"query": "186*",
"count": 351
},
{
"name": "Epicurean philosophy",
"short": "187",
"query": "187*",
"count": 121
},
{
"name": "Stoic philosophy",
"short": "188",
"query": "188*",
"count": 216
},
{
"name": "Medieval Western philosophy",
"short": "189",
"query": "189*",
"count": 981
}
],
"count": 7561
},
{
"name": "Modern Western philosophy (19th-century, 20th-century)",
"short": "19X",
"query": "19*",
"children": [
{
"name": "Modern Western & other noneastern philosophy",
"short": "190",
"query": "190*",
"count": 1701
},
{
"name": "Philosophy of the United States and Canada",
"short": "191",
"query": "191*",
"count": 1368
},
{
"name": "Philosophy of the British Isles",
"short": "192",
"query": "192*",
"count": 2039
},
{
"name": "Philosophy of Germany and Austria",
"short": "193",
"query": "193*",
"count": 4496
},
{
"name": "Philosophy of France",
"short": "194",
"query": "194*",
"count": 3546
},
{
"name": "Philosophy of Italy",
"short": "195",
"query": "195*",
"count": 852
},
{
"name": "Philosophy of Spain and Portugal",
"short": "196",
"query": "196*",
"count": 343
},
{
"name": "Philosophy of Russia",
"short": "197",
"query": "197*",
"count": 277
},
{
"name": "Philosophy of Scandinavia & Finland",
"short": "198",
"query": "198*",
"count": 397
},
{
"name": "Philosophy in other geographic areas",
"short": "199",
"query": "199*",
"count": 1160
}
],
"count": 16125
}
],
"count": 125686
},
{
"name": "Religion",
"short": "2XX",
"query": "2*",
"children": [
{
"name": "Religion",
"short": "20X",
"query": "20*",
"children": [
{
"name": "Religion",
"short": "200",
"query": "200*",
"count": 5039
},
{
"name": "Religious mythology, general classes of religion, interreligious relations and attitudes, social theology",
"short": "201",
"query": "201*",
"count": 1982
},
{
"name": "Doctrines",
"short": "202",
"query": "202*",
"count": 444
},
{
"name": "Public worship and other practices",
"short": "203",
"query": "203*",
"count": 280
},
{
"name": "Religious experience, life, practice",
"short": "204",
"query": "204*",
"count": 903
},
{
"name": "Religious ethics",
"short": "205",
"query": "205*",
"count": 104
},
{
"name": "Leaders and organization",
"short": "206",
"query": "206*",
"count": 55
},
{
"name": "Missions and religious education",
"short": "207",
"query": "207*",
"count": 808
},
{
"name": "Sources",
"short": "208",
"query": "208*",
"count": 413
},
{
"name": "Sects and reform movements",
"short": "209",
"query": "209*",
"count": 737
}
],
"count": 10684
},
{
"name": "Philosophy & theory of religion",
"short": "21X",
"query": "21*",
"children": [
{
"name": "Philosophy & theory of religion",
"short": "210",
"query": "210*",
"count": 643
},
{
"name": "Concepts of God",
"short": "211",
"query": "211*",
"count": 1064
},
{
"name": "Existence, ways of knowing God, attributes of God",
"short": "212",
"query": "212*",
"count": 495
},
{
"name": "Creation",
"short": "213",
"query": "213*",
"count": 242
},
{
"name": "Theodicy",
"short": "214",
"query": "214*",
"count": 68
},
{
"name": "Science & religion",
"short": "215",
"query": "215*",
"count": 649
},
{
"name": "No longer used—formerly Evil",
"short": "216",
"query": "216*",
"count": 34
},
{
"name": "No longer used—formerly Prayer",
"short": "217",
"query": "217*",
"count": 3
},
{
"name": "Humankind",
"short": "218",
"query": "218*",
"count": 67
},
{
"name": "No longer used—formerly Analogies",
"short": "219",
"query": "219*",
"count": 32
}
],
"count": 3271
},
{
"name": "The Bible",
"short": "22X",
"query": "22*",
"children": [
{
"name": "Bible",
"short": "220",
"query": "220*",
"count": 9446
},
{
"name": "Old Testament (Tanakh)",
"short": "221",
"query": "221*",
"count": 3392
},
{
"name": "Historical books of Old Testament",
"short": "222",
"query": "222*",
"count": 3989
},
{
"name": "Poetic books of Old Testament",
"short": "223",
"query": "223*",
"count": 2053
},
{
"name": "Prophetic books of Old Testament",
"short": "224",
"query": "224*",
"count": 2099
},
{
"name": "New Testament",
"short": "225",
"query": "225*",
"count": 3177
},
{
"name": "Gospels & Acts",
"short": "226",
"query": "226*",
"count": 5728
},
{
"name": "Epistles",
"short": "227",
"query": "227*",
"count": 3546
},
{
"name": "Revelation (Apocalypse)",
"short": "228",
"query": "228*",
"count": 800
},
{
"name": "Apocrypha, pseudepigrapha, & intertestamental works",
"short": "229",
"query": "229*",
"count": 773
}
],
"count": 34483
},
{
"name": "Christianity",
"short": "23X",
"query": "23*",
"children": [
{
"name": "Christianity",
"short": "230",
"query": "230*",
"count": 11761
},
{
"name": "God",
"short": "231",
"query": "231*",
"count": 4970
},
{
"name": "Jesus Christ & his family",
"short": "232",
"query": "232*",
"count": 8321
},
{
"name": "Humankind",
"short": "233",
"query": "233*",
"count": 1206
},
{
"name": "Salvation & grace",
"short": "234",
"query": "234*",
"count": 3889
},
{
"name": "Spiritual beings",
"short": "235",
"query": "235*",
"count": 885
},
{
"name": "Eschatology",
"short": "236",
"query": "236*",
"count": 1990
},
{
"name": "No longer used—formerly Future state",
"short": "237",
"query": "237*",
"count": 95
},
{
"name": "Creeds, confessions of faith, covenants, & catechisms",
"short": "238",
"query": "238*",
"count": 1136
},
{
"name": "Apologetics & polemics",
"short": "239",
"query": "239*",
"count": 1114
}
],
"count": 35124
},
{
"name": "Christian practice & observance",
"short": "24X",
"query": "24*",
"children": [
{
"name": "Christian moral and devotional theology",
"short": "240",
"query": "240*",
"count": 134
},
{
"name": "Christian ethics",
"short": "241",
"query": "241*",
"count": 4804
},
{
"name": "Devotional literature",
"short": "242",
"query": "242*",
"count": 9448
},
{
"name": "Evangelistic writings for individuals and families",
"short": "243",
"query": "243*",
"count": 194
},
{
"name": "No longer used—formerly Religious fiction",
"short": "244",
"query": "244*",
"count": 56
},
{
"name": "No longer used—formerly Hymnology",
"short": "245",
"query": "245*",
"count": 493
},
{
"name": "Use of art in Christianity",
"short": "246",
"query": "246*",
"count": 796
},
{
"name": "Church furnishings & related articles",
"short": "247",
"query": "247*",
"count": 141
},
{
"name": "Christian experience, practice, life",
"short": "248",
"query": "248*",
"count": 21797
},
{
"name": "Christian observances in family life",
"short": "249",
"query": "249*",
"count": 409
}
],
"count": 38117
},
{
"name": "Christian orders & local church",
"short": "25X",
"query": "25*",
"children": [
{
"name": "Local Christian church and Christian religious orders",
"short": "250",
"query": "250*",
"count": 484
},
{
"name": "Preaching (Homiletics)",
"short": "251",
"query": "251*",
"count": 1573
},
{
"name": "Texts of sermons",
"short": "252",
"query": "252*",
"count": 4664
},
{
"name": "Pastoral office and work (Pastoral theology)",
"short": "253",
"query": "253*",
"count": 3656
},
{
"name": "Parish administration",
"short": "254",
"query": "254*",
"count": 1646
},
{
"name": "Religious congregations & orders",
"short": "255",
"query": "255*",
"count": 1354
},
{
"name": "No longer used—formerly Religious societies",
"short": "256",
"query": "256*",
"count": 10
},
{
"name": "No longer used—formerly Parochial schools, libraries, etc.",
"short": "257",
"query": "257*",
"count": 4
},
{
"name": "No longer used—formerly Parochial medicine",
"short": "258",
"query": "258*",
"count": 81
},
{
"name": "Pastoral care of families, of specific groups of people",
"short": "259",
"query": "259*",
"count": 1592
}
],
"count": 15004
},
{
"name": "Social & ecclesiastical theology",
"short": "26X",
"query": "26*",
"children": [
{
"name": "Christian social and ecclesiastical theology",
"short": "260",
"query": "260*",
"count": 705
},
{
"name": "Social theology and interreligious relations and attitudes",
"short": "261",
"query": "261*",
"count": 12113
},
{
"name": "Ecclesiology",
"short": "262",
"query": "262*",
"count": 6703
},
{
"name": "Days, times, places of religious observance",
"short": "263",
"query": "263*",
"count": 1159
},
{
"name": "Public worship",
"short": "264",
"query": "264*",
"count": 6070
},
{
"name": "Sacraments, other rites & acts",
"short": "265",
"query": "265*",
"count": 1565
},
{
"name": "Missions",
"short": "266",
"query": "266*",
"count": 7159
},
{
"name": "Associations for religious work",
"short": "267",
"query": "267*",
"count": 1391
},
{
"name": "Religious education",
"short": "268",
"query": "268*",
"count": 2752
},
{
"name": "Spiritual renewal",
"short": "269",
"query": "269*",
"count": 1790
}
],
"count": 41263
},
{
"name": "History of Christianity",
"short": "27X",
"query": "27*",
"children": [
{
"name": "History, geographic treatment, biography of Christianity",
"short": "270",
"query": "270*",
"count": 4806
},
{
"name": "Religious congregations and orders in church history",
"short": "271",
"query": "271*",
"count": 6273
},
{
"name": "Persecutions in church history",
"short": "272",
"query": "272*",
"count": 885
},
{
"name": "Doctrinal controversies and heresies in general church history",
"short": "273",
"query": "273*",
"count": 647
},
{
"name": "Christianity in Europe",
"short": "274",
"query": "274*",
"count": 2634
},
{
"name": "Christianity in Asia",
"short": "275",
"query": "275*",
"count": 802
},
{
"name": "Christianity in Africa",
"short": "276",
"query": "276*",
"count": 560
},
{
"name": "Christianity in North America",
"short": "277",
"query": "277*",
"count": 1508
},
{
"name": "Christianity in South America",
"short": "278",
"query": "278*",
"count": 150
},
{
"name": "History of Christianity in other areas",
"short": "279",
"query": "279*",
"count": 127
}
],
"count": 18322
},
{
"name": "Christian denominations",
"short": "28X",
"query": "28*",
"children": [
{
"name": "Denominations and sects of Christian church",
"short": "280",
"query": "280*",
"count": 1838
},
{
"name": "Early church & Eastern churches",
"short": "281",
"query": "281*",
"count": 1675
},
{
"name": "Roman Catholic Church",
"short": "282",
"query": "282*",
"count": 11361
},
{
"name": "Anglican churches",
"short": "283",
"query": "283*",
"count": 3486
},
{
"name": "Protestant denominations of Continental origin & related body",
"short": "284",
"query": "284*",
"count": 2156
},
{
"name": "Presbyterian churches, Reformed churches centered in America, Congregational churches",
"short": "285",
"query": "285*",
"count": 2511
},
{
"name": "Baptist, Restoration Movement, Adventist churches",
"short": "286",
"query": "286*",
"count": 2405
},
{
"name": "Methodist churches; churches related to Methodism",
"short": "287",
"query": "287*",
"count": 2300
},
{
"name": "No longer used—formerly Unitarian",
"short": "288",
"query": "288*",
"count": 85
},
{
"name": "Other denominations & sects",
"short": "289",
"query": "289*",
"count": 4835
}
],
"count": 32582
},
{
"name": "Other religions",
"short": "29X",
"query": "29*",
"children": [
{
"name": "Other religions",
"short": "290",
"query": "290*",
"count": 453
},
{
"name": "No longer used—formerly Comparative religion",
"short": "291",
"query": "291*",
"count": 6734
},
{
"name": "Classical religion (Greek & Roman religion)",
"short": "292",
"query": "292*",
"count": 1331
},
{
"name": "Germanic religion",
"short": "293",
"query": "293*",
"count": 215
},
{
"name": "Religions of Indic origin",
"short": "294",
"query": "294*",
"count": 13311
},
{
"name": "Zoroastrianism (Mazdaism, Parseeism)",
"short": "295",
"query": "295*",
"count": 238
},
{
"name": "Judaism",
"short": "296",
"query": "296*",
"count": 9995
},
{
"name": "Islam, Bábism & Bahá'í Faith",
"short": "297",
"query": "297*",
"count": 7007
},
{
"name": "No longer used—formerly Mormonism",
"short": "298",
"query": "298*",
"count": 25
},
{
"name": "Religions not provided for elsewhere",
"short": "299",
"query": "299*",
"count": 7074
}
],
"count": 46211
}
],
"count": 271662
},
{
"name": "Social sciences",
"short": "3XX",
"query": "3*",
"children": [
{
"name": "Social sciences, sociology & anthropology",
"short": "30X",
"query": "30*",
"children": [
{
"name": "Social sciences",
"short": "300",
"query": "300*",
"count": 7225
},
{
"name": "Sociology & anthropology",
"short": "301",
"query": "301*",
"count": 45136
},
{
"name": "Social interaction",
"short": "302",
"query": "302*",
"count": 12778
},
{
"name": "Social processes",
"short": "303",
"query": "303*",
"count": 13338
},
{
"name": "Factors affecting social behavior",
"short": "304",
"query": "304*",
"count": 10245
},
{
"name": "Groups of people",
"short": "305",
"query": "305*",
"count": 40148
},
{
"name": "Culture & institutions",
"short": "306",
"query": "306*",
"count": 36833
},
{
"name": "Communities",
"short": "307",
"query": "307*",
"count": 10642
},
{
"name": "No longer used—formerly Polygraphy",
"short": "308",
"query": "308*",
"count": 233
},
{
"name": "No longer used—formerly History of sociology",
"short": "309",
"query": "309*",
"count": 10819
}
],
"count": 184988
},
{
"name": "Statistics",
"short": "31X",
"query": "31*",
"children": [
{
"name": "Collections of general statistics",
"short": "310",
"query": "310*",
"count": 284
},
{
"name": "No longer used—formerly Theory and methods",
"short": "311",
"query": "311*",
"count": 519
},
{
"name": "No longer used—formerly Population",
"short": "312",
"query": "312*",
"count": 3286
},
{
"name": "No longer used—formerly Special topics",
"short": "313",
"query": "313*",
"count": 13
},
{
"name": "General statistics of Europe",
"short": "314",
"query": "314*",
"count": 540
},
{
"name": "General statistics of Asia",
"short": "315",
"query": "315*",
"count": 341
},
{
"name": "General statistics of Africa",
"short": "316",
"query": "316*",
"count": 125
},
{
"name": "General statistics of North America",
"short": "317",
"query": "317*",
"count": 615
},
{
"name": "General statistics of South America",
"short": "318",
"query": "318*",
"count": 81
},
{
"name": "General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica",
"short": "319",
"query": "319*",
"count": 110
}
],
"count": 5842
},
{
"name": "Political science",
"short": "32X",
"query": "32*",
"children": [
{
"name": "Political science (Politics & government)",
"short": "320",
"query": "320*",
"count": 40783
},
{
"name": "Systems of governments & states",
"short": "321",
"query": "321*",
"count": 4574
},
{
"name": "Relation of state to organized groups & their members",
"short": "322",
"query": "322*",
"count": 5896
},
{
"name": "Civil & political rights",
"short": "323",
"query": "323*",
"count": 12582
},
{
"name": "The political process",
"short": "324",
"query": "324*",
"count": 16876
},
{
"name": "International migration & colonization",
"short": "325",
"query": "325*",
"count": 6745
},
{
"name": "Slavery & emancipation",
"short": "326",
"query": "326*",
"count": 753
},
{
"name": "International relations",
"short": "327",
"query": "327*",
"count": 32708
},
{
"name": "The legislative process",
"short": "328",
"query": "328*",
"count": 9292
},
{
"name": "Not assigned or no longer used",
"short": "329",
"query": "329*",
"count": 4538
}
],
"count": 133889
},
{
"name": "Economics",
"short": "33X",
"query": "33*",
"children": [
{
"name": "Economics",
"short": "330",
"query": "330*",
"count": 36663
},
{
"name": "Labor economics",
"short": "331",
"query": "331*",
"count": 42698
},
{
"name": "Financial economics",
"short": "332",
"query": "332*",
"count": 37237
},
{
"name": "Economics of land & energy",
"short": "333",
"query": "333*",
"count": 41869
},
{
"name": "Cooperatives",
"short": "334",
"query": "334*",
"count": 2895
},
{
"name": "Socialism & related systems",
"short": "335",
"query": "335*",
"count": 10467
},
{
"name": "Public finance",
"short": "336",
"query": "336*",
"count": 12200
},
{
"name": "International economics",
"short": "337",
"query": "337*",
"count": 5564
},
{
"name": "Production",
"short": "338",
"query": "338*",
"count": 95838
},
{
"name": "Macroeconomics & related topics",
"short": "339",
"query": "339*",
"count": 7938
}
],
"count": 290880
},
{
"name": "Law",
"short": "34X",
"query": "34*",
"children": [
{
"name": "Law",
"short": "340",
"query": "340*",
"count": 16331
},
{
"name": "Law of nations",
"short": "341",
"query": "341*",
"count": 22987
},
{
"name": "Constitutional & administrative law",
"short": "342",
"query": "342*",
"count": 29102
},
{
"name": "Military, defense, public property, public finance, tax, commerce (trade), industrial law",
"short": "343",
"query": "343*",
"count": 32617
},
{
"name": "Labor, social service, education, cultural law",
"short": "344",
"query": "344*",
"count": 56550
},
{
"name": "Criminal law",
"short": "345",
"query": "345*",
"count": 21419
},
{
"name": "Private law",
"short": "346",
"query": "346*",
"count": 55734
},
{
"name": "Procedure & courts",
"short": "347",
"query": "347*",
"count": 58595
},
{
"name": "Laws, regulations, cases",
"short": "348",
"query": "348*",
"count": 11791
},
{
"name": "Law of specific jurisdictions, areas, socioeconomic regions, regional intergovernmental organizations",
"short": "349",
"query": "349*",
"count": 6097
}
],
"count": 230049
},
{
"name": "Public administration & military science",
"short": "35X",
"query": "35*",
"children": [
{
"name": "Public administration & military science",
"short": "350",
"query": "350*",
"count": 2368
},
{
"name": "Public administration",
"short": "351",
"query": "351*",
"count": 3497
},
{
"name": "General considerations of public administration",
"short": "352",
"query": "352*",
"count": 10372
},
{
"name": "Specific fields of public administration",
"short": "353",
"query": "353*",
"count": 19499
},
{
"name": "Public administration of economy & environment",
"short": "354",
"query": "354*",
"count": 9502
},
{
"name": "Military science",
"short": "355",
"query": "355*",
"count": 25430
},
{
"name": "Foot forces & warfare",
"short": "356",
"query": "356*",
"count": 1239
},
{
"name": "Mounted forces & warfare",
"short": "357",
"query": "357*",
"count": 371
},
{
"name": "Air & other specialized forces & warfare; engineering & related services",
"short": "358",
"query": "358*",
"count": 5552
},
{
"name": "Sea forces & warfare",
"short": "359",
"query": "359*",
"count": 5443
}
],
"count": 82863
},
{
"name": "Social problems & social services",
"short": "36X",
"query": "36*",
"children": [
{
"name": "Social problems & services; associations",
"short": "360",
"query": "360*",
"count": 605
},
{
"name": "Social problems & services",
"short": "361",
"query": "361*",
"count": 12350
},
{
"name": "Social problems of & services to groups of people",
"short": "362",
"query": "362*",
"count": 60943
},
{
"name": "Other social problems & services",
"short": "363",
"query": "363*",
"count": 45035
},
{
"name": "Criminology",
"short": "364",
"query": "364*",
"count": 22642
},
{
"name": "Penal & related institutions",
"short": "365",
"query": "365*",
"count": 4783
},
{
"name": "Secret associations & societies",
"short": "366",
"query": "366*",
"count": 1986
},
{
"name": "General clubs",
"short": "367",
"query": "367*",
"count": 551
},
{
"name": "Insurance",
"short": "368",
"query": "368*",
"count": 7650
},
{
"name": "Associations",
"short": "369",
"query": "369*",
"count": 1515
}
],
"count": 157601
},
{
"name": "Education",
"short": "37X",
"query": "37*",
"children": [
{
"name": "Education",
"short": "370",
"query": "370*",
"count": 29925
},
{
"name": "Schools & their activities; special education",
"short": "371",
"query": "371*",
"count": 38034
},
{
"name": "Primary education (elementary education)",
"short": "372",
"query": "372*",
"count": 21007
},
{
"name": "Secondary education",
"short": "373",
"query": "373*",
"count": 7009
},
{
"name": "Adult education",
"short": "374",
"query": "374*",
"count": 4437
},
{
"name": "Curricula",
"short": "375",
"query": "375*",
"count": 2051
},
{
"name": "No longer used—formerly Education of women",
"short": "376",
"query": "376*",
"count": 757
},
{
"name": "No longer used—formerly Ethical education",
"short": "377",
"query": "377*",
"count": 1602
},
{
"name": "Higher education (Tertiary education)",
"short": "378",
"query": "378*",
"count": 24813
},
{
"name": "Public policy issues in education",
"short": "379",
"query": "379*",
"count": 8010
}
],
"count": 136201
},
{
"name": "Commerce, communications, & transportation",
"short": "38X",
"query": "38*",
"children": [
{
"name": "Commerce, communications, transportation",
"short": "380",
"query": "380*",
"count": 7658
},
{
"name": "Commerce (Trade)",
"short": "381",
"query": "381*",
"count": 6872
},
{
"name": "International commerce (Foreign trade)",
"short": "382",
"query": "382*",
"count": 12331
},
{
"name": "Postal communication",
"short": "383",
"query": "383*",
"count": 1710
},
{
"name": "Communications",
"short": "384",
"query": "384*",
"count": 6797
},
{
"name": "Railroad transportation",
"short": "385",
"query": "385*",
"count": 8764
},
{
"name": "Inland waterway & ferry transportation",
"short": "386",
"query": "386*",
"count": 1917
},
{
"name": "Water, air, space transportation",
"short": "387",
"query": "387*",
"count": 8017
},
{
"name": "Transportation",
"short": "388",
"query": "388*",
"count": 9768
},
{
"name": "Metrology & standardization",
"short": "389",
"query": "389*",
"count": 824
}
],
"count": 64132
},
{
"name": "Customs, etiquette, & folklore",
"short": "39X",
"query": "39*",
"children": [
{
"name": "Customs, etiquette, folklore",
"short": "390",
"query": "390*",
"count": 1194
},
{
"name": "Costume & personal appearance",
"short": "391",
"query": "391*",
"count": 3622
},
{
"name": "Customs of life cycle & domestic life",
"short": "392",
"query": "392*",
"count": 1615
},
{
"name": "Death customs",
"short": "393",
"query": "393*",
"count": 643
},
{
"name": "General customs",
"short": "394",
"query": "394*",
"count": 5637
},
{
"name": "Etiquette (Manners)",
"short": "395",
"query": "395*",
"count": 1668
},
{
"name": "No longer used—formerly Women's position and treatment",
"short": "396",
"query": "396*",
"count": 453
},
{
"name": "No longer used—formerly outcast studies",
"short": "397",
"query": "397*",
"count": 30
},
{
"name": "Folklore",
"short": "398",
"query": "398*",
"count": 22540
},
{
"name": "Customs of war & diplomacy",
"short": "399",
"query": "399*",
"count": 58
}
],
"count": 37371
}
],
"count": 1311109
},
{
"name": "Language",
"short": "4XX",
"query": "4*",
"children": [
{
"name": "Language",
"short": "40X",
"query": "40*",
"children": [
{
"name": "Language",
"short": "400",
"query": "400*",
"count": 592
},
{
"name": "Philosophy & theory; international languages",
"short": "401",
"query": "401*",
"count": 4472
},
{
"name": "Miscellany",
"short": "402",
"query": "402*",
"count": 52
},
{
"name": "Dictionaries, encyclopedias, concordances",
"short": "403",
"query": "403*",
"count": 33
},
{
"name": "Special topics of language",
"short": "404",
"query": "404*",
"count": 290
},
{
"name": "Serial publications",
"short": "405",
"query": "405*",
"count": 29
},
{
"name": "Organizations & management",
"short": "406",
"query": "406*",
"count": 40
},
{
"name": "Education, research, related topics",
"short": "407",
"query": "407*",
"count": 794
},
{
"name": "Groups of people",
"short": "408",
"query": "408*",
"count": 254
},
{
"name": "Geographic treatment & biography",
"short": "409",
"query": "409*",
"count": 610
}
],
"count": 7137
},
{
"name": "Linguistics",
"short": "41X",
"query": "41*",
"children": [
{
"name": "Linguistics",
"short": "410",
"query": "410*",
"count": 3383
},
{
"name": "Writing systems of standard forms of languages",
"short": "411",
"query": "411*",
"count": 373
},
{
"name": "Etymology of standard forms of languages",
"short": "412",
"query": "412*",
"count": 332
},
{
"name": "Dictionaries of standard forms of languages",
"short": "413",
"query": "413*",
"count": 571
},
{
"name": "Phonology & phonetics of standard forms of languages",
"short": "414",
"query": "414*",
"count": 724
},
{
"name": "Grammar of standard forms of languages",
"short": "415",
"query": "415*",
"count": 2702
},
{
"name": "No longer used—formerly Prosody",
"short": "416",
"query": "416*",
"count": 15
},
{
"name": "Dialectology & historical linguistics",
"short": "417",
"query": "417*",
"count": 527
},
{
"name": "Standard usage (Prescriptive linguistics)",
"short": "418",
"query": "418*",
"count": 3580
},
{
"name": "Sign languages",
"short": "419",
"query": "419*",
"count": 485
}
],
"count": 12629
},
{
"name": "English & Old English languages",
"short": "42X",
"query": "42*",
"children": [
{
"name": "English & Old English (Anglo-Saxon)",
"short": "420",
"query": "420*",
"count": 1702
},
{
"name": "Writing system, phonology, phonetics of standard English",
"short": "421",
"query": "421*",
"count": 1084
},
{
"name": "Etymology of standard English",
"short": "422",
"query": "422*",
"count": 673
},
{
"name": "Dictionaries of standard English",
"short": "423",
"query": "423*",
"count": 3635
},
{
"name": "No longer used—formerly English thesauruses",
"short": "424",
"query": "424*",
"count": 55
},
{
"name": "Grammar of standard English",
"short": "425",
"query": "425*",
"count": 1270
},
{
"name": "No longer used—formerly English prosodies",
"short": "426",
"query": "426*",
"count": 121
},
{
"name": "Historical & geographical variations, modern nongeographic variations of English",
"short": "427",
"query": "427*",
"count": 1798
},
{
"name": "Standard English usage (Prescriptive linguistics)",
"short": "428",
"query": "428*",
"count": 19827
},
{
"name": "Old English (Anglo-Saxon)",
"short": "429",
"query": "429*",
"count": 277
}
],
"count": 30202
},
{
"name": "German & related languages",
"short": "43X",
"query": "43*",
"children": [
{
"name": "German and related languages",
"short": "430",
"query": "430*",
"count": 778
},
{
"name": "Writing systems, phonology, phonetics of standard German",
"short": "431",
"query": "431*",
"count": 230
},
{
"name": "Etymology of standard German",
"short": "432",
"query": "432*",
"count": 184
},
{
"name": "Dictionaries of standard German",
"short": "433",
"query": "433*",
"count": 625
},
{
"name": "Not assigned or no longer used",
"short": "434",
"query": "434*",
"count": 4
},
{
"name": "Grammar of standard German",
"short": "435",
"query": "435*",
"count": 718
},
{
"name": "Not assigned or no longer used",
"short": "436",
"query": "436*",
"count": 15
},
{
"name": "Historical & geographic variations, modern nongeographic variations of German",
"short": "437",
"query": "437*",
"count": 909
},
{
"name": "Standard German usage (Prescriptive linguistics)",
"short": "438",
"query": "438*",
"count": 1961
},
{
"name": "Other Germanic languages",
"short": "439",
"query": "439*",
"count": 1192
}
],
"count": 6568
},
{
"name": "French & related languages",
"short": "44X",
"query": "44*",
"children": [
{
"name": "French & related Romance languages",
"short": "440",
"query": "440*",
"count": 1368
},
{
"name": "Writing systems, phonology, phonetics of standard French",
"short": "441",
"query": "441*",
"count": 268
},
{
"name": "Etymology of standard French",
"short": "442",
"query": "442*",
"count": 188
},
{
"name": "Dictionaries of standard French",
"short": "443",
"query": "443*",
"count": 1007
},
{
"name": "Not assigned or no longer used",
"short": "444",
"query": "444*",
"count": 5
},
{
"name": "Grammar of standard French",
"short": "445",
"query": "445*",
"count": 803
},
{
"name": "Not assigned or no longer used",
"short": "446",
"query": "446*",
"count": 31
},
{
"name": "Historical and geographic variations, modern nongeographic variations of French",
"short": "447",
"query": "447*",
"count": 1064
},
{
"name": "Standard French usage (Prescriptive linguistics)",
"short": "448",
"query": "448*",
"count": 4222
},
{
"name": "Occitan Catalan, Franco-Provençal",
"short": "449",
"query": "449*",
"count": 460
}
],
"count": 9340
},
{
"name": "Italian, Romanian, & related languages",
"short": "45X",
"query": "45*",
"children": [
{
"name": "Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican",
"short": "450",
"query": "450*",
"count": 234
},
{
"name": "Writing systems, phonology, phonetics of standard Italian",
"short": "451",
"query": "451*",
"count": 44
},
{
"name": "Etymology of standard Italian",
"short": "452",
"query": "452*",
"count": 73
},
{
"name": "Dictionaries of standard Italian",
"short": "453",
"query": "453*",
"count": 380
},
{
"name": "Not assigned or no longer used",
"short": "454",
"query": "454*",
"count": 1
},
{
"name": "Grammar of standard Italian",
"short": "455",
"query": "455*",
"count": 167
},
{
"name": "Not assigned or no longer used",
"short": "456",
"query": "456*",
"count": 6
},
{
"name": "Historical & geographic variations, modern nongeographic variations of Italian",
"short": "457",
"query": "457*",
"count": 643
},
{
"name": "Standard Italian usage (Prescriptive linguistics)",
"short": "458",
"query": "458*",
"count": 779
},
{
"name": "Romanian, Rhaetian, Sardinian, Corsican",
"short": "459",
"query": "459*",
"count": 254
}
],
"count": 2572
},
{
"name": "Spanish, Portuguese, Galician",
"short": "46X",
"query": "46*",
"children": [
{
"name": "Spanish, Portuguese, Galician",
"short": "460",
"query": "460*",
"count": 410
},
{
"name": "Writing systems, phonology, phonetics of standard Spanish",
"short": "461",
"query": "461*",
"count": 139
},
{
"name": "Etymology of standard Spanish",
"short": "462",
"query": "462*",
"count": 104
},
{
"name": "Dictionaries of standard Spanish",
"short": "463",
"query": "463*",
"count": 882
},
{
"name": "Not assigned or no longer used",
"short": "464",
"query": "464*",
"count": 11
},
{
"name": "Grammar of standard Spanish",
"short": "465",
"query": "465*",
"count": 438
},
{
"name": "Not assigned or no longer used",
"short": "466",
"query": "466*",
"count": 13
},
{
"name": "Historical & geographic variations, modern nongeographic variations of Spanish",
"short": "467",
"query": "467*",
"count": 871
},
{
"name": "Standard Spanish usage (Prescriptive linguistics)",
"short": "468",
"query": "468*",
"count": 2864
},
{
"name": "Portuguese",
"short": "469",
"query": "469*",
"count": 1091
}
],
"count": 6794
},
{
"name": "Latin & Italic languages",
"short": "47X",
"query": "47*",
"children": [
{
"name": "Latin & related Italic languages",
"short": "470",
"query": "470*",
"count": 198
},
{
"name": "Writing systems, phonology, phonetics of classical Latin",
"short": "471",
"query": "471*",
"count": 183
},
{
"name": "Etymology of classical Latin",
"short": "472",
"query": "472*",
"count": 54
},
{
"name": "Dictionaries of classical Latin",
"short": "473",
"query": "473*",
"count": 170
},
{
"name": "Not assigned or no longer used",
"short": "474",
"query": "474*",
"count": 9
},
{
"name": "Grammar of classical Latin",
"short": "475",
"query": "475*",
"count": 246
},
{
"name": "Not assigned or no longer used",
"short": "476",
"query": "476*",
"count": 20
},
{
"name": "Old, postclassical, Vulgar Latin",
"short": "477",
"query": "477*",
"count": 111
},
{
"name": "Classical Latin usage (Prescriptive linguistics)",
"short": "478",
"query": "478*",
"count": 544
},
{
"name": "Other Italic languages",
"short": "479",
"query": "479*",
"count": 93
}
],
"count": 1604
},
{
"name": "Classical & modern Greek languages",
"short": "48X",
"query": "48*",
"children": [
{
"name": "Classical Greek & related Hellenic languages",
"short": "480",
"query": "480*",
"count": 350
},
{
"name": "Writing systems, phonology, phonetics of classical Greek",
"short": "481",
"query": "481*",
"count": 212
},
{
"name": "Etymology of classical Greek",
"short": "482",
"query": "482*",
"count": 64
},
{
"name": "Dictionaries of classical Greek",
"short": "483",
"query": "483*",
"count": 50
},
{
"name": "Not assigned or no longer used",
"short": "484",
"query": "484*",
"count": 2
},
{
"name": "Grammar of classical Greek",
"short": "485",
"query": "485*",
"count": 156
},
{
"name": "Not assigned or no longer used",
"short": "486",
"query": "486*",
"count": 25
},
{
"name": "Preclassical & postclassical Greek",
"short": "487",
"query": "487*",
"count": 306
},
{
"name": "Classical Greek usage (Prescriptive linguistics)",
"short": "488",
"query": "488*",
"count": 149
},
{
"name": "Other Hellenic languages",
"short": "489",
"query": "489*",
"count": 268
}
],
"count": 1562
},
{
"name": "Other languages",
"short": "49X",
"query": "49*",
"children": [
{
"name": "Other languages",
"short": "490",
"query": "490*",
"count": 147
},
{
"name": "East Indo-European & Celtic languages",
"short": "491",
"query": "491*",
"count": 6192
},
{
"name": "Afro-Asiatic languages",
"short": "492",
"query": "492*",
"count": 2270
},
{
"name": "Non-Semitic Afro-Asiatic languages",
"short": "493",
"query": "493*",
"count": 739
},
{
"name": "Altic, Uralic, Hyperborean, Dravidian languages, miscellaneous languages of south Asia",
"short": "494",
"query": "494*",
"count": 1387
},
{
"name": "Languages of East & Southeast Asia",
"short": "495",
"query": "495*",
"count": 3786
},
{
"name": "African languages",
"short": "496",
"query": "496*",
"count": 1880
},
{
"name": "North American native languages",
"short": "497",
"query": "497*",
"count": 1683
},
{
"name": "South American native languages",
"short": "498",
"query": "498*",
"count": 718
},
{
"name": "Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages",
"short": "499",
"query": "499*",
"count": 2012
}
],
"count": 20773
}
],
"count": 98649
},
{
"name": "Science",
"short": "5XX",
"query": "5*",
"children": [
{
"name": "Science",
"short": "50X",
"query": "50*",
"children": [
{
"name": "Natural sciences & mathematics",
"short": "500",
"query": "500*",
"count": 6049
},
{
"name": "Philosophy & theory",
"short": "501",
"query": "501*",
"count": 2400
},
{
"name": "Miscellany",
"short": "502",
"query": "502*",
"count": 982
},
{
"name": "Dictionaries, encyclopedias, concordances",
"short": "503",
"query": "503*",
"count": 473
},
{
"name": "Not assigned or no longer used",
"short": "504",
"query": "504*",
"count": 155
},
{
"name": "Serial publications",
"short": "505",
"query": "505*",
"count": 84
},
{
"name": "Organizations & management",
"short": "506",
"query": "506*",
"count": 478
},
{
"name": "Education, research, related topics",
"short": "507",
"query": "507*",
"count": 3514
},
{
"name": "Natural history",
"short": "508",
"query": "508*",
"count": 5060
},
{
"name": "History, geographic treatment, biography",
"short": "509",
"query": "509*",
"count": 3057
}
],
"count": 22021
},
{
"name": "Mathematics",
"short": "51X",
"query": "51*",
"children": [
{
"name": "Mathematics",
"short": "510",
"query": "510*",
"count": 13243
},
{
"name": "General principles of mathematics",
"short": "511",
"query": "511*",
"count": 4131
},
{
"name": "Algebra",
"short": "512",
"query": "512*",
"count": 8586
},
{
"name": "Arithmetic",
"short": "513",
"query": "513*",
"count": 3543
},
{
"name": "Topology",
"short": "514",
"query": "514*",
"count": 1741
},
{
"name": "Analysis",
"short": "515",
"query": "515*",
"count": 9382
},
{
"name": "Geometry",
"short": "516",
"query": "516*",
"count": 4094
},
{
"name": "Not assigned or no longer used",
"short": "517",
"query": "517*",
"count": 2119
},
{
"name": "Numerical analysis",
"short": "518",
"query": "518*",
"count": 362
},
{
"name": "Probabilities & applied mathematics",
"short": "519",
"query": "519*",
"count": 10495
}
],
"count": 53997
},
{
"name": "Astronomy",
"short": "52X",
"query": "52*",
"children": [
{
"name": "Astronomy & allied sciences",
"short": "520",
"query": "520*",
"count": 2974
},
{
"name": "Celestial mechanics",
"short": "521",
"query": "521*",
"count": 361
},
{
"name": "Techniques, procedures, apparatus, equipment, materials",
"short": "522",
"query": "522*",
"count": 1390
},
{
"name": "Specific celestial bodies & phenomena",
"short": "523",
"query": "523*",
"count": 8332
},
{
"name": "Not assigned or no longer used",
"short": "524",
"query": "524*",
"count": 4
},
{
"name": "Earth (Astronomical geography)",
"short": "525",
"query": "525*",
"count": 297
},
{
"name": "Mathematical geography",
"short": "526",
"query": "526*",
"count": 2773
},
{
"name": "Celestial navigation",
"short": "527",
"query": "527*",
"count": 176
},
{
"name": "Ephemerides",
"short": "528",
"query": "528*",
"count": 78
},
{
"name": "Chronology",
"short": "529",
"query": "529*",
"count": 831
}
],
"count": 16901
},
{
"name": "Physics",
"short": "53X",
"query": "53*",
"children": [
{
"name": "Physics",
"short": "530",
"query": "530*",
"count": 15332
},
{
"name": "Classical mechanics",
"short": "531",
"query": "531*",
"count": 2985
},
{
"name": "Fluid mechanics",
"short": "532",
"query": "532*",
"count": 1677
},
{
"name": "Pneumatics (Gas mechanics)",
"short": "533",
"query": "533*",
"count": 602
},
{
"name": "Sound & related vibrations",
"short": "534",
"query": "534*",
"count": 594
},
{
"name": "Light & related radiation",
"short": "535",
"query": "535*",
"count": 2988
},
{
"name": "Heat",
"short": "536",
"query": "536*",
"count": 1624
},
{
"name": "Electricity & electronics",
"short": "537",
"query": "537*",
"count": 3535
},
{
"name": "Magnetism",
"short": "538",
"query": "538*",
"count": 1555
},
{
"name": "Modern physics",
"short": "539",
"query": "539*",
"count": 7520
}
],
"count": 37826
},
{
"name": "Chemistry",
"short": "54X",
"query": "54*",
"children": [
{
"name": "Chemistry & allied sciences",
"short": "540",
"query": "540*",
"count": 4147
},
{
"name": "Physical chemistry",
"short": "541",
"query": "541*",
"count": 6621
},
{
"name": "Techniques, procedures, apparatus, equipment, materials",
"short": "542",
"query": "542*",
"count": 533
},
{
"name": "Analytical chemistry",
"short": "543",
"query": "543*",
"count": 2318
},
{
"name": "No longer used—formerly Qualitative analysis",
"short": "544",
"query": "544*",
"count": 597
},
{
"name": "No longer used—formerly Quantitative analysis",
"short": "545",
"query": "545*",
"count": 545
},
{
"name": "Inorganic chemistry",
"short": "546",
"query": "546*",
"count": 2596
},
{
"name": "Organic chemistry",
"short": "547",
"query": "547*",
"count": 6928
},
{
"name": "Crystallography",
"short": "548",
"query": "548*",
"count": 1322
},
{
"name": "Mineralogy",
"short": "549",
"query": "549*",
"count": 1666
}
],
"count": 26772
},
{
"name": "Earth sciences & geology",
"short": "55X",
"query": "55*",
"children": [
{
"name": "Earth sciences",
"short": "550",
"query": "550*",
"count": 3551
},
{
"name": "Geology, hydrology, meteorology",
"short": "551",
"query": "551*",
"count": 30093
},
{
"name": "Petrology",
"short": "552",
"query": "552*",
"count": 2472
},
{
"name": "Economic geology",
"short": "553",
"query": "553*",
"count": 9756
},
{
"name": "Earth sciences of Europe",
"short": "554",
"query": "554*",
"count": 1496
},
{
"name": "Earth sciences of Asia",
"short": "555",
"query": "555*",
"count": 599
},
{
"name": "Earth sciences of Africa",
"short": "556",
"query": "556*",
"count": 493
},
{
"name": "Earth sciences of North America",
"short": "557",
"query": "557*",
"count": 6883
},
{
"name": "Earth sciences of South America",
"short": "558",
"query": "558*",
"count": 235
},
{
"name": "Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds",
"short": "559",
"query": "559*",
"count": 937
}
],
"count": 52065
},
{
"name": "Fossils & prehistoric life",
"short": "56X",
"query": "56*",
"children": [
{
"name": "Paleontology",
"short": "560",
"query": "560*",
"count": 2249
},
{
"name": "Paleobotany; fossil microorganisms",
"short": "561",
"query": "561*",
"count": 783
},
{
"name": "Fossil invertebrates",
"short": "562",
"query": "562*",
"count": 213
},
{
"name": "Miscellaneous fossil marine & seashore invertebrates",
"short": "563",
"query": "563*",
"count": 722
},
{
"name": "Fossil Mollusca & Molluscoidea",
"short": "564",
"query": "564*",
"count": 811
},
{
"name": "Fossil Arthropoda",
"short": "565",
"query": "565*",
"count": 394
},
{
"name": "Fossil Chordata",
"short": "566",
"query": "566*",
"count": 243
},
{
"name": "Fossil cold-blooded vertebrates",
"short": "567",
"query": "567*",
"count": 1865
},
{
"name": "Fossil Aves (birds)",
"short": "568",
"query": "568*",
"count": 341
},
{
"name": "Fossil Mammalia",
"short": "569",
"query": "569*",
"count": 983
}
],
"count": 8274
},
{
"name": "Biology",
"short": "57X",
"query": "57*",
"children": [
{
"name": "Biology",
"short": "570",
"query": "570*",
"count": 1346
},
{
"name": "Physiology & related subjects",
"short": "571",
"query": "571*",
"count": 1800
},
{
"name": "Biochemistry",
"short": "572",
"query": "572*",
"count": 3743
},
{
"name": "Specific physiological systems in animals, regional histology & physiology in animals",
"short": "573",
"query": "573*",
"count": 2194
},
{
"name": "Not assigned or no longer used",
"short": "574",
"query": "574*",
"count": 18194
},
{
"name": "Specific parts of & physiological systems in plants",
"short": "575",
"query": "575*",
"count": 2543
},
{
"name": "Genetics and evolution",
"short": "576",
"query": "576*",
"count": 2642
},
{
"name": "Ecology",
"short": "577",
"query": "577*",
"count": 2889
},
{
"name": "Natural history of organisms & related subjects",
"short": "578",
"query": "578*",
"count": 1067
},
{
"name": "Natural history of microorganisms, fungi, algae",
"short": "579",
"query": "579*",
"count": 1003
}
],
"count": 36892
},
{
"name": "Plants",
"short": "58X",
"query": "58*",
"children": [
{
"name": "Plants",
"short": "580",
"query": "580*",
"count": 1188
},
{
"name": "Specific topics in natural history of plants",
"short": "581",
"query": "581*",
"count": 8464
},
{
"name": "Plants noted for specific vegetative characteristics and flowers",
"short": "582",
"query": "582*",
"count": 3801
},
{
"name": "Magnoliopsida (Dicotyledones)",
"short": "583",
"query": "583*",
"count": 1686
},
{
"name": "Liliopsida (Monocotyledones)",
"short": "584",
"query": "584*",
"count": 1024
},
{
"name": "Pinophyta (Gymnosperms)",
"short": "585",
"query": "585*",
"count": 225
},
{
"name": "Cryptogamia (Seedless plants)",
"short": "586",
"query": "586*",
"count": 112
},
{
"name": "Pteridophyta",
"short": "587",
"query": "587*",
"count": 290
},
{
"name": "Bryophyta",
"short": "588",
"query": "588*",
"count": 281
},
{
"name": "No longer used—formerly Forestry",
"short": "589",
"query": "589*",
"count": 2983
}
],
"count": 19510
},
{
"name": "Animals (Zoology)",
"short": "59X",
"query": "59*",
"children": [
{
"name": "Animals",
"short": "590",
"query": "590*",
"count": 1818
},
{
"name": "Specific topics in natural history of animals",
"short": "591",
"query": "591*",
"count": 11050
},
{
"name": "Invertebrates",
"short": "592",
"query": "592*",
"count": 741
},
{
"name": "Miscellaneous marine & seashore invertebrates",
"short": "593",
"query": "593*",
"count": 836
},
{
"name": "Mollusca & Molluscoidea",
"short": "594",
"query": "594*",
"count": 1351
},
{
"name": "Arthropoda",
"short": "595",
"query": "595*",
"count": 9839
},
{
"name": "Chordata",
"short": "596",
"query": "596*",
"count": 1391
},
{
"name": "Cold-blooded vertebrates",
"short": "597",
"query": "597*",
"count": 6624
},
{
"name": "Aves (Birds)",
"short": "598",
"query": "598*",
"count": 9615
},
{
"name": "Mammalia (Mammals)",
"short": "599",
"query": "599*",
"count": 14449
}
],
"count": 56180
}
],
"count": 324271
},
{
"name": "Technology",
"short": "6XX",
"query": "6*",
"children": [
{
"name": "Technology",
"short": "60X",
"query": "60*",
"children": [
{
"name": "Technology (Applied sciences)",
"short": "600",
"query": "600*",
"count": 784
},
{
"name": "Philosophy & theory",
"short": "601",
"query": "601*",
"count": 343
},
{
"name": "Miscellany",
"short": "602",
"query": "602*",
"count": 984
},
{
"name": "Dictionaries, encyclopedias, concordances",
"short": "603",
"query": "603*",
"count": 310
},
{
"name": "Technical drawing, hazardous materials technology; groups of people",
"short": "604",
"query": "604*",
"count": 1106
},
{
"name": "Serial publications",
"short": "605",
"query": "605*",
"count": 24
},
{
"name": "Organizations",
"short": "606",
"query": "606*",
"count": 139
},
{
"name": "Education, research, related topics",
"short": "607",
"query": "607*",
"count": 1879
},
{
"name": "Patents",
"short": "608",
"query": "608*",
"count": 749
},
{
"name": "History, geographic treatment, biography",
"short": "609",
"query": "609*",
"count": 1349
}
],
"count": 7635
},
{
"name": "Medicine & health",
"short": "61X",
"query": "61*",
"children": [
{
"name": "Medicine & health",
"short": "610",
"query": "610*",
"count": 22203
},
{
"name": "Human anatomy, cytology, histology",
"short": "611",
"query": "611*",
"count": 3028
},
{
"name": "Human physiology",
"short": "612",
"query": "612*",
"count": 16832
},
{
"name": "Personal health & safety",
"short": "613",
"query": "613*",
"count": 21464
},
{
"name": "Forensic medicine; incidence of injuries, wounds, disease; public preventive medicine",
"short": "614",
"query": "614*",
"count": 11302
},
{
"name": "Pharmacology and therapeutics",
"short": "615",
"query": "615*",
"count": 22837
},
{
"name": "Diseases",
"short": "616",
"query": "616*",
"count": 81373
},
{
"name": "Surgery, regional medicine, dentistry, ophthalmology, otology, audiology",
"short": "617",
"query": "617*",
"count": 23072
},
{
"name": "Gynecology, obstetrics, pediatrics, geriatrics",
"short": "618",
"query": "618*",
"count": 17803
},
{
"name": "No longer used—formerly Experimental medicine",
"short": "619",
"query": "619*",
"count": 340
}
],
"count": 217997
},
{
"name": "Engineering",
"short": "62X",
"query": "62*",
"children": [
{
"name": "Engineering & Applied operations",
"short": "620",
"query": "620*",
"count": 24739
},
{
"name": "Applied physics",
"short": "621",
"query": "621*",
"count": 54160
},
{
"name": "Mining & related operations",
"short": "622",
"query": "622*",
"count": 7363
},
{
"name": "Military & nautical engineering",
"short": "623",
"query": "623*",
"count": 11962
},
{
"name": "Civil engineering",
"short": "624",
"query": "624*",
"count": 10539
},
{
"name": "Engineering of railroads, roads",
"short": "625",
"query": "625*",
"count": 6890
},
{
"name": "Not assigned or no longer used",
"short": "626",
"query": "626*",
"count": 64
},
{
"name": "Hydraulic engineering",
"short": "627",
"query": "627*",
"count": 3616
},
{
"name": "Sanitary engineering",
"short": "628",
"query": "628*",
"count": 11899
},
{
"name": "Other branches of engineering",
"short": "629",
"query": "629*",
"count": 36140
}
],
"count": 166203
},
{
"name": "Agriculture",
"short": "63X",
"query": "63*",
"children": [
{
"name": "Agriculture & related technologies",
"short": "630",
"query": "630*",
"count": 8049
},
{
"name": "Specific techniques; apparatus, equipment, materials",
"short": "631",
"query": "631*",
"count": 9191
},
{
"name": "Plant injuries, diseases, pests",
"short": "632",
"query": "632*",
"count": 3026
},
{
"name": "Field & plantation crops",
"short": "633",
"query": "633*",
"count": 3657
},
{
"name": "Orchards, fruits, forestry",
"short": "634",
"query": "634*",
"count": 7094
},
{
"name": "Garden crops (Horticulture)",
"short": "635",
"query": "635*",
"count": 12107
},
{
"name": "Animal husbandry",
"short": "636",
"query": "636*",
"count": 20956
},
{
"name": "Processing dairy & related products",
"short": "637",
"query": "637*",
"count": 896
},
{
"name": "Insect culture",
"short": "638",
"query": "638*",
"count": 638
},
{
"name": "Hunting, fishing, conservation, related technologies",
"short": "639",
"query": "639*",
"count": 6949
}
],
"count": 71956
},
{
"name": "Home & family management",
"short": "64X",
"query": "64*",
"children": [
{
"name": "Home & family management",
"short": "640",
"query": "640*",
"count": 2631
},
{
"name": "Food & drink",
"short": "641",
"query": "641*",
"count": 49574
},
{
"name": "Meals & table service",
"short": "642",
"query": "642*",
"count": 1329
},
{
"name": "Housing & household equipment",
"short": "643",
"query": "643*",
"count": 2624
},
{
"name": "Household utilities",
"short": "644",
"query": "644*",
"count": 209
},
{
"name": "Household furnishings",
"short": "645",
"query": "645*",
"count": 364
},
{
"name": "Sewing, clothing, management of personal and family life",
"short": "646",
"query": "646*",
"count": 7386
},
{
"name": "Management of public households (Institutional housekeeping)",
"short": "647",
"query": "647*",
"count": 4708
},
{
"name": "Housekeeping",
"short": "648",
"query": "648*",
"count": 623
},
{
"name": "Child rearing; home care of people with disabilities & illnesses",
"short": "649",
"query": "649*",
"count": 6996
}
],
"count": 76309
},
{
"name": "Management & public relations",
"short": "65X",
"query": "65*",
"children": [
{
"name": "Management & auxiliary services",
"short": "650",
"query": "650*",
"count": 8917
},
{
"name": "Office services",
"short": "651",
"query": "651*",
"count": 4297
},
{
"name": "Processes of written communication",
"short": "652",
"query": "652*",
"count": 3062
},
{
"name": "Shorthand",
"short": "653",
"query": "653*",
"count": 529
},
{
"name": "656 Not assigned or no longer used",
"short": "654–656",
"query": "[654 TO 656]",
"count": 1911
},
{
"name": "Accounting",
"short": "657",
"query": "657*",
"count": 8740
},
{
"name": "General management",
"short": "658",
"query": "658*",
"count": 74330
},
{
"name": "Advertising & public relations",
"short": "659",
"query": "659*",
"count": 4978
}
],
"count": 106407
},
{
"name": "Chemical engineering",
"short": "66X",
"query": "66*",
"children": [
{
"name": "Chemical engineering & related technologies",
"short": "660",
"query": "660*",
"count": 5320
},
{
"name": "Technology of industrial chemicals",
"short": "661",
"query": "661*",
"count": 816
},
{
"name": "Technology of explosives, fuels, related products",
"short": "662",
"query": "662*",
"count": 1625
},
{
"name": "Beverage technology",
"short": "663",
"query": "663*",
"count": 1083
},
{
"name": "Food technology",
"short": "664",
"query": "664*",
"count": 4192
},
{
"name": "Technology of industrial oils, fats, waxes, gases",
"short": "665",
"query": "665*",
"count": 2181
},
{
"name": "Ceramic & allied technologies",
"short": "666",
"query": "666*",
"count": 1815
},
{
"name": "Cleaning, color, coating, related technologies",
"short": "667",
"query": "667*",
"count": 1286
},
{
"name": "Technology of other organic products",
"short": "668",
"query": "668*",
"count": 3258
},
{
"name": "Metallurgy",
"short": "669",
"query": "669*",
"count": 3745
}
],
"count": 25269
},
{
"name": "Manufacturing",
"short": "67X",
"query": "67*",
"children": [
{
"name": "Manufacturing",
"short": "670",
"query": "670*",
"count": 2790
},
{
"name": "Metalworking processes & primary metal products",
"short": "671",
"query": "671*",
"count": 3090
},
{
"name": "Iron, steel, other iron alloys",
"short": "672",
"query": "672*",
"count": 803
},
{
"name": "Nonferrous metals",
"short": "673",
"query": "673*",
"count": 395
},
{
"name": "Lumber processing, wood products, cork",
"short": "674",
"query": "674*",
"count": 851
},
{
"name": "Leather & fur processing",
"short": "675",
"query": "675*",
"count": 157
},
{
"name": "Pulp & paper technology",
"short": "676",
"query": "676*",
"count": 1440
},
{
"name": "Textiles",
"short": "677",
"query": "677*",
"count": 2436
},
{
"name": "Elastomers & elastomer products",
"short": "678",
"query": "678*",
"count": 464
},
{
"name": "Other products of specific kinds of materials",
"short": "679",
"query": "679*",
"count": 112
}
],
"count": 12502
},
{
"name": "Manufacture for specific uses",
"short": "68X",
"query": "68*",
"children": [
{
"name": "Manufacture of products for specific uses",
"short": "680",
"query": "680*",
"count": 362
},
{
"name": "Precision instruments[disambiguation needed] & other devices",
"short": "681",
"query": "681*",
"count": 3482
},
{
"name": "Small forge work (Blacksmithing)",
"short": "682",
"query": "682*",
"count": 136
},
{
"name": "Hardware & household appliances",
"short": "683",
"query": "683*",
"count": 1539
},
{
"name": "Furnishings & home workshops",
"short": "684",
"query": "684*",
"count": 2599
},
{
"name": "Leather & fur goods, & related products",
"short": "685",
"query": "685*",
"count": 347
},
{
"name": "Printing & related activities",
"short": "686",
"query": "686*",
"count": 5679
},
{
"name": "Clothing & accessories",
"short": "687",
"query": "687*",
"count": 692
},
{
"name": "Other final products, & packaging technology",
"short": "688",
"query": "688*",
"count": 2130
},
{
"name": "Not assigned or no longer used",
"short": "689",
"query": "689*",
"count": 5
}
],
"count": 16949
},
{
"name": "Construction of buildings",
"short": "69X",
"query": "69*",
"children": [
{
"name": "Construction of buildings",
"short": "690",
"query": "690*",
"count": 4252
},
{
"name": "Building materials",
"short": "691",
"query": "691*",
"count": 750
},
{
"name": "Auxiliary construction practices",
"short": "692",
"query": "692*",
"count": 951
},
{
"name": "Construction in specific types of materials & for specific purposes",
"short": "693",
"query": "693*",
"count": 1819
},
{
"name": "Wood construction",
"short": "694",
"query": "694*",
"count": 729
},
{
"name": "Roof covering",
"short": "695",
"query": "695*",
"count": 201
},
{
"name": "Utilities",
"short": "696",
"query": "696*",
"count": 1023
},
{
"name": "Heating, ventilating, air-conditioning engineering",
"short": "697",
"query": "697*",
"count": 1730
},
{
"name": "Detail finishing",
"short": "698",
"query": "698*",
"count": 424
},
{
"name": "Not assigned or no longer used",
"short": "699",
"query": "699*",
"count": 24
}
],
"count": 11769
}
],
"count": 709586
},
{
"name": "Arts & recreation",
"short": "7XX",
"query": "7*",
"children": [
{
"name": "Arts",
"short": "70X",
"query": "70*",
"children": [
{
"name": "The Arts",
"short": "700",
"query": "700*",
"count": 8064
},
{
"name": "Philosophy & theory of fine & decorative arts",
"short": "701",
"query": "701*",
"count": 2762
},
{
"name": "Miscellany of fine & decorative arts",
"short": "702",
"query": "702*",
"count": 781
},
{
"name": "Dictionaries, encyclopedias, concordances of fine & decorative arts",
"short": "703",
"query": "703*",
"count": 196
},
{
"name": "Special topics in fine & decorative arts",
"short": "704",
"query": "704*",
"count": 4805
},
{
"name": "Serial publications of fine & decorative arts",
"short": "705",
"query": "705*",
"count": 53
},
{
"name": "Organizations & management of fine & decorative arts",
"short": "706",
"query": "706*",
"count": 336
},
{
"name": "Education, research, related topics of fine & decorative arts",
"short": "707",
"query": "707*",
"count": 1620
},
{
"name": "Galleries, museums, private collections of fine & decorative arts",
"short": "708",
"query": "708*",
"count": 2982
},
{
"name": "History, geographic treatment, biography",
"short": "709",
"query": "709*",
"count": 26675
}
],
"count": 47733
},
{
"name": "Area planning & landscape architecture",
"short": "71X",
"query": "71*",
"children": [
{
"name": "Area planning & landscape architecture",
"short": "710",
"query": "710*",
"count": 131
},
{
"name": "Area planning (Civic art)",
"short": "711",
"query": "711*",
"count": 6266
},
{
"name": "Landscape architecture (Landscape design)",
"short": "712",
"query": "712*",
"count": 3214
},
{
"name": "Landscape architecture of trafficways",
"short": "713",
"query": "713*",
"count": 54
},
{
"name": "Water features in landscape architecture",
"short": "714",
"query": "714*",
"count": 133
},
{
"name": "Woody plants in landscape architecture",
"short": "715",
"query": "715*",
"count": 125
},
{
"name": "Herbaceous plants in landscape architecture",
"short": "716",
"query": "716*",
"count": 95
},
{
"name": "Structures in landscape architecture",
"short": "717",
"query": "717*",
"count": 230
},
{
"name": "Landscape design of cemeteries",
"short": "718",
"query": "718*",
"count": 29
},
{
"name": "Natural landscapes",
"short": "719",
"query": "719*",
"count": 311
}
],
"count": 10559
},
{
"name": "Architecture",
"short": "72X",
"query": "72*",
"children": [
{
"name": "Architecture",
"short": "720",
"query": "720*",
"count": 13952
},
{
"name": "Architectural materials & structural elements",
"short": "721",
"query": "721*",
"count": 1178
},
{
"name": "Architecture from earliest times to ca. 300",
"short": "722",
"query": "722*",
"count": 603
},
{
"name": "Architecture from ca. 300 to 1399",
"short": "723",
"query": "723*",
"count": 202
},
{
"name": "Architecture from 1400",
"short": "724",
"query": "724*",
"count": 882
},
{
"name": "Public structures",
"short": "725",
"query": "725*",
"count": 3209
},
{
"name": "Buildings for religious & related purposes",
"short": "726",
"query": "726*",
"count": 4260
},
{
"name": "Buildings for educational & research purposes",
"short": "727",
"query": "727*",
"count": 951
},
{
"name": "Residential & related buildings",
"short": "728",
"query": "728*",
"count": 5737
},
{
"name": "Design & decoration of structures & accessories",
"short": "729",
"query": "729*",
"count": 1414
}
],
"count": 32107
},
{
"name": "Sculpture, ceramics, & metalwork",
"short": "73X",
"query": "73*",
"children": [
{
"name": "Sculpture & related arts",
"short": "730",
"query": "730*",
"count": 7807
},
{
"name": "Processes, forms, subjects of sculpture",
"short": "731",
"query": "731*",
"count": 1050
},
{
"name": "Sculpture from earliest times to ca. 500, sculpture of non-literate peoples",
"short": "732",
"query": "732*",
"count": 948
},
{
"name": "Greek, Etruscan, Roman sculpture",
"short": "733",
"query": "733*",
"count": 694
},
{
"name": "Sculpture from ca. 500 to 1399",
"short": "734",
"query": "734*",
"count": 156
},
{
"name": "Sculpture from 1400",
"short": "735",
"query": "735*",
"count": 550
},
{
"name": "Carving & carvings",
"short": "736",
"query": "736*",
"count": 1800
},
{
"name": "Numismatics & sigillography",
"short": "737",
"query": "737*",
"count": 3396
},
{
"name": "Ceramic arts",
"short": "738",
"query": "738*",
"count": 6591
},
{
"name": "Art metalwork",
"short": "739",
"query": "739*",
"count": 4447
}
],
"count": 27289
},
{
"name": "Graphic arts & decorative arts",
"short": "74X",
"query": "74*",
"children": [
{
"name": "Graphic arts",
"short": "740",
"query": "740*",
"count": 238
},
{
"name": "Drawing & drawings",
"short": "741",
"query": "741*",
"count": 33260
},
{
"name": "Perspective in drawing",
"short": "742",
"query": "742*",
"count": 160
},
{
"name": "Drawing & drawings by subject",
"short": "743",
"query": "743*",
"count": 1468
},
{
"name": "Not assigned or no longer used",
"short": "744",
"query": "744*",
"count": 353
},
{
"name": "Decorative arts",
"short": "745",
"query": "745*",
"count": 17042
},
{
"name": "Textile arts",
"short": "746",
"query": "746*",
"count": 14138
},
{
"name": "Interior decoration",
"short": "747",
"query": "747*",
"count": 3168
},
{
"name": "Glass",
"short": "748",
"query": "748*",
"count": 2478
},
{
"name": "Furniture & accessories",
"short": "749",
"query": "749*",
"count": 2958
}
],
"count": 75083
},
{
"name": "Painting",
"short": "75X",
"query": "75*",
"children": [
{
"name": "Painting & paintings",
"short": "750",
"query": "750*",
"count": 1512
},
{
"name": "Techniques, procedures, apparatus, equipment, materials, forms",
"short": "751",
"query": "751*",
"count": 3187
},
{
"name": "Color",
"short": "752",
"query": "752*",
"count": 171
},
{
"name": "Symbolism, allegory, mythology, legend",
"short": "753",
"query": "753*",
"count": 49
},
{
"name": "Genre paintings",
"short": "754",
"query": "754*",
"count": 88
},
{
"name": "Religion",
"short": "755",
"query": "755*",
"count": 589
},
{
"name": "Not assigned or no longer used",
"short": "756",
"query": "756*",
"count": 33
},
{
"name": "Human figures",
"short": "757",
"query": "757*",
"count": 723
},
{
"name": "Nature, architectural subjects & cityscapes, other specific subjects",
"short": "758",
"query": "758*",
"count": 1389
},
{
"name": "History, geographic treatment, biography",
"short": "759",
"query": "759*",
"count": 35287
}
],
"count": 42853
},
{
"name": "Printmaking & prints",
"short": "76X",
"query": "76*",
"children": [
{
"name": "Printmaking & prints",
"short": "760",
"query": "760*",
"count": 4834
},
{
"name": "Relief processes (Block printing)",
"short": "761",
"query": "761*",
"count": 388
},
{
"name": "Not assigned or no longer used",
"short": "762",
"query": "762*",
"count": 8
},
{
"name": "Lithographic processes (Planographic processes)",
"short": "763",
"query": "763*",
"count": 134
},
{
"name": "Chromolithography & serigraphy",
"short": "764",
"query": "764*",
"count": 65
},
{
"name": "Metal engraving",
"short": "765",
"query": "765*",
"count": 59
},
{
"name": "Mezzotinting, aquatinting, & related processes",
"short": "766",
"query": "766*",
"count": 13
},
{
"name": "Etching & drypoint",
"short": "767",
"query": "767*",
"count": 121
},
{
"name": "Not assigned or no longer used",
"short": "768",
"query": "768*",
"count": 4
},
{
"name": "Prints",
"short": "769",
"query": "769*",
"count": 9065
}
],
"count": 14525
},
{
"name": "Photography, computer art, film, video",
"short": "77X",
"query": "77*",
"children": [
{
"name": "Photography, computer art, cinematography, videography",
"short": "770",
"query": "770*",
"count": 4521
},
{
"name": "Techniques, procedures, apparatus, equipment, materials",
"short": "771",
"query": "771*",
"count": 1418
},
{
"name": "Metallic salt processes",
"short": "772",
"query": "772*",
"count": 82
},
{
"name": "Pigment processes of printing",
"short": "773",
"query": "773*",
"count": 20
},
{
"name": "No longer used—formerly Holography",
"short": "774",
"query": "774*",
"count": 57
},
{
"name": "No longer used—formerly Digital photography",
"short": "775",
"query": "775*",
"count": 302
},
{
"name": "Computer art (Digital art)",
"short": "776",
"query": "776*",
"count": 65
},
{
"name": "Cinematography & Videography",
"short": "777",
"query": "777*",
"count": 107
},
{
"name": "Specific fields & special kinds of photography",
"short": "778",
"query": "778*",
"count": 4161
},
{
"name": "Photographic images",
"short": "779",
"query": "779*",
"count": 9951
}
],
"count": 20442
},
{
"name": "Music",
"short": "78X",
"query": "78*",
"children": [
{
"name": "Music",
"short": "780",
"query": "780*",
"count": 18454
},
{
"name": "General principles & musical forms",
"short": "781",
"query": "781*",
"count": 11345
},
{
"name": "Vocal music",
"short": "782",
"query": "782*",
"count": 18173
},
{
"name": "Music for single voices",
"short": "783",
"query": "783*",
"count": 1924
},
{
"name": "Instruments & Instrumental ensembles & their music",
"short": "784",
"query": "784*",
"count": 7101
},
{
"name": "Ensembles with only one instrument per part",
"short": "785",
"query": "785*",
"count": 2529
},
{
"name": "Keyboard, mechanical, electrophonic, percussion instruments",
"short": "786",
"query": "786*",
"count": 4055
},
{
"name": "Stringed instruments (Chordophones)",
"short": "787",
"query": "787*",
"count": 2626
},
{
"name": "Wind instruments (Aerophones)",
"short": "788",
"query": "788*",
"count": 1295
},
{
"name": "Unassigned or no longer used",
"short": "789",
"query": "789*",
"count": 908
}
],
"count": 67166
},
{
"name": "Outline of sports, games & entertainment",
"short": "79X",
"query": "79*",
"children": [
{
"name": "Recreational & performing arts",
"short": "790",
"query": "790*",
"count": 3271
},
{
"name": "Public performances",
"short": "791",
"query": "791*",
"count": 37870
},
{
"name": "Stage presentations",
"short": "792",
"query": "792*",
"count": 17872
},
{
"name": "Indoor games & amusements",
"short": "793",
"query": "793*",
"count": 8514
},
{
"name": "Indoor games of skill",
"short": "794",
"query": "794*",
"count": 4487
},
{
"name": "Games of chance",
"short": "795",
"query": "795*",
"count": 2225
},
{
"name": "Athletic & outdoor sports & games",
"short": "796",
"query": "796*",
"count": 44784
},
{
"name": "Aquatic & air sports",
"short": "797",
"query": "797*",
"count": 4635
},
{
"name": "Equestrian sports & animal racing",
"short": "798",
"query": "798*",
"count": 2447
},
{
"name": "Fishing, hunting, shooting",
"short": "799",
"query": "799*",
"count": 7048
}
],
"count": 132669
}
],
"count": 467390
},
{
"name": "Literature",
"short": "8XX",
"query": "8*",
"children": [
{
"name": "Literature, rhetoric & criticism",
"short": "80X",
"query": "80*",
"children": [
{
"name": "Literature (Belles-lettres) & rhetoric",
"short": "800",
"query": "800*",
"count": 1376
},
{
"name": "Philosophy & theory",
"short": "801",
"query": "801*",
"count": 3727
},
{
"name": "Miscellany",
"short": "802",
"query": "802*",
"count": 51
},
{
"name": "Dictionaries, encyclopedias, concordances",
"short": "803",
"query": "803*",
"count": 233
},
{
"name": "Not assigned or no longer used",
"short": "804",
"query": "804*",
"count": 236
},
{
"name": "Serial publications",
"short": "805",
"query": "805*",
"count": 43
},
{
"name": "Organizations & management",
"short": "806",
"query": "806*",
"count": 74
},
{
"name": "Education, research, related topics",
"short": "807",
"query": "807*",
"count": 303
},
{
"name": "Rhetoric & collections of literary texts from more than two literatures",
"short": "808",
"query": "808*",
"count": 27804
},
{
"name": "History, description, critical appraisal of more than two literatures",
"short": "809",
"query": "809*",
"count": 15885
}
],
"count": 49144
},
{
"name": "American literature in English",
"short": "81X",
"query": "81*",
"children": [
{
"name": "American literature in English",
"short": "810",
"query": "810*",
"count": 7692
},
{
"name": "American poetry in English",
"short": "811",
"query": "811*",
"count": 57345
},
{
"name": "American drama in English",
"short": "812",
"query": "812*",
"count": 13226
},
{
"name": "American fiction in English",
"short": "813",
"query": "813*",
"count": 169308
},
{
"name": "American essays in English",
"short": "814",
"query": "814*",
"count": 2921
},
{
"name": "American speeches in English",
"short": "815",
"query": "815*",
"count": 295
},
{
"name": "American letters in English",
"short": "816",
"query": "816*",
"count": 206
},
{
"name": "American humor & satire in English",
"short": "817",
"query": "817*",
"count": 1742
},
{
"name": "American miscellaneous writings in English",
"short": "818",
"query": "818*",
"count": 10948
},
{
"name": "No longer used—formerly Puzzle activities",
"short": "819",
"query": "819*",
"count": 268
}
],
"count": 262817
},
{
"name": "English & Old English literatures",
"short": "82X",
"query": "82*",
"children": [
{
"name": "English & Old English (Anglo-Saxon) literatures",
"short": "820",
"query": "820*",
"count": 10075
},
{
"name": "English Poetry",
"short": "821",
"query": "821*",
"count": 39322
},
{
"name": "English drama",
"short": "822",
"query": "822*",
"count": 20888
},
{
"name": "English fiction",
"short": "823",
"query": "823*",
"count": 140287
},
{
"name": "English essays",
"short": "824",
"query": "824*",
"count": 2259
},
{
"name": "English speeches",
"short": "825",
"query": "825*",
"count": 110
},
{
"name": "English letters",
"short": "826",
"query": "826*",
"count": 312
},
{
"name": "English humor & satire",
"short": "827",
"query": "827*",
"count": 1033
},
{
"name": "English miscellaneous writings",
"short": "828",
"query": "828*",
"count": 8543
},
{
"name": "Old English (Anglo-Saxon) literature",
"short": "829",
"query": "829*",
"count": 728
}
],
"count": 221921
},
{
"name": "German & related literatures",
"short": "83X",
"query": "83*",
"children": [
{
"name": "German literature & literatures of related languages",
"short": "830",
"query": "830*",
"count": 4234
},
{
"name": "German poetry",
"short": "831",
"query": "831*",
"count": 6763
},
{
"name": "German drama",
"short": "832",
"query": "832*",
"count": 3580
},
{
"name": "German fiction",
"short": "833",
"query": "833*",
"count": 13150
},
{
"name": "German essays",
"short": "834",
"query": "834*",
"count": 451
},
{
"name": "German speeches",
"short": "835",
"query": "835*",
"count": 49
},
{
"name": "German letters",
"short": "836",
"query": "836*",
"count": 87
},
{
"name": "German humor & satire",
"short": "837",
"query": "837*",
"count": 193
},
{
"name": "German miscellaneous writings",
"short": "838",
"query": "838*",
"count": 3830
},
{
"name": "Other Germanic literatures",
"short": "839",
"query": "839*",
"count": 6288
}
],
"count": 38372
},
{
"name": "French & related literatures",
"short": "84X",
"query": "84*",
"children": [
{
"name": "French literature & literatures of related Romance languages",
"short": "840",
"query": "840*",
"count": 4382
},
{
"name": "French poetry",
"short": "841",
"query": "841*",
"count": 14124
},
{
"name": "French drama",
"short": "842",
"query": "842*",
"count": 5241
},
{
"name": "French fiction",
"short": "843",
"query": "843*",
"count": 32320
},
{
"name": "French essays",
"short": "844",
"query": "844*",
"count": 1265
},
{
"name": "French speeches",
"short": "845",
"query": "845*",
"count": 48
},
{
"name": "French letters",
"short": "846",
"query": "846*",
"count": 285
},
{
"name": "French humor & satire",
"short": "847",
"query": "847*",
"count": 190
},
{
"name": "French miscellaneous writings",
"short": "848",
"query": "848*",
"count": 7746
},
{
"name": "Occitan, Catalan, Franco-Provençal literatures",
"short": "849",
"query": "849*",
"count": 1787
}
],
"count": 66725
},
{
"name": "Italian, Romanian, & related literatures",
"short": "85X",
"query": "85*",
"children": [
{
"name": "Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages",
"short": "850",
"query": "850*",
"count": 1733
},
{
"name": "Italian poetry",
"short": "851",
"query": "851*",
"count": 5753
},
{
"name": "Italian drama",
"short": "852",
"query": "852*",
"count": 1611
},
{
"name": "Italian fiction",
"short": "853",
"query": "853*",
"count": 8133
},
{
"name": "Italian essays",
"short": "854",
"query": "854*",
"count": 231
},
{
"name": "Italian speeches",
"short": "855",
"query": "855*",
"count": 13
},
{
"name": "Italian letters",
"short": "856",
"query": "856*",
"count": 80
},
{
"name": "Italian humor & satire",
"short": "857",
"query": "857*",
"count": 36
},
{
"name": "Italian miscellaneous writings",
"short": "858",
"query": "858*",
"count": 1276
},
{
"name": "Literatures of Romanian, Rhaetian, Sardinian, Corsican languages",
"short": "859",
"query": "859*",
"count": 509
}
],
"count": 19237
},
{
"name": "Spanish, Portuguese, Galician literatures",
"short": "86X",
"query": "86*",
"children": [
{
"name": "Literatures of Spanish, Portuguese, Galician languages",
"short": "860",
"query": "860*",
"count": 4096
},
{
"name": "Spanish poetry",
"short": "861",
"query": "861*",
"count": 14473
},
{
"name": "Spanish drama",
"short": "862",
"query": "862*",
"count": 3674
},
{
"name": "Spanish fiction",
"short": "863",
"query": "863*",
"count": 20415
},
{
"name": "Spanish essays",
"short": "864",
"query": "864*",
"count": 1269
},
{
"name": "Spanish speeches",
"short": "865",
"query": "865*",
"count": 33
},
{
"name": "Spanish letters",
"short": "866",
"query": "866*",
"count": 29
},
{
"name": "Spanish humor & satire",
"short": "867",
"query": "867*",
"count": 89
},
{
"name": "Spanish miscellaneous writings",
"short": "868",
"query": "868*",
"count": 3251
},
{
"name": "Literatures of Portuguese & Galician languages",
"short": "869",
"query": "869*",
"count": 10857
}
],
"count": 57955
},
{
"name": "Latin & Italic literatures",
"short": "87X",
"query": "87*",
"children": [
{
"name": "Latin literature & literatures of related Italic languages",
"short": "870",
"query": "870*",
"count": 545
},
{
"name": "Latin poetry",
"short": "871",
"query": "871*",
"count": 1360
},
{
"name": "Latin dramatic poetry & drama",
"short": "872",
"query": "872*",
"count": 517
},
{
"name": "Latin epic poetry & fiction",
"short": "873",
"query": "873*",
"count": 888
},
{
"name": "Latin lyric poetry",
"short": "874",
"query": "874*",
"count": 471
},
{
"name": "Latin speeches",
"short": "875",
"query": "875*",
"count": 224
},
{
"name": "Latin letters",
"short": "876",
"query": "876*",
"count": 88
},
{
"name": "Latin humor & satire",
"short": "877",
"query": "877*",
"count": 89
},
{
"name": "Latin miscellaneous writings",
"short": "878",
"query": "878*",
"count": 443
},
{
"name": "Literatures of other Italic languages",
"short": "879",
"query": "879*",
"count": 155
}
],
"count": 4683
},
{
"name": "Classical & modern Greek literatures",
"short": "88X",
"query": "88*",
"children": [
{
"name": "Classical Greek literature & literatures of related Hellenic languages",
"short": "880",
"query": "880*",
"count": 946
},
{
"name": "Classical Greek poetry",
"short": "881",
"query": "881*",
"count": 561
},
{
"name": "Classical Greek drama",
"short": "882",
"query": "882*",
"count": 1569
},
{
"name": "Classical Greek epic poetry & fiction",
"short": "883",
"query": "883*",
"count": 1062
},
{
"name": "Classical Greek lyric poetry",
"short": "884",
"query": "884*",
"count": 377
},
{
"name": "Classical Greek speeches",
"short": "885",
"query": "885*",
"count": 237
},
{
"name": "Classical Greek letters",
"short": "886",
"query": "886*",
"count": 26
},
{
"name": "Classical Greek humor & satire",
"short": "887",
"query": "887*",
"count": 46
},
{
"name": "Classical Greek miscellaneous writings",
"short": "888",
"query": "888*",
"count": 448
},
{
"name": "Modern Greek literature",
"short": "889",
"query": "889*",
"count": 588
}
],
"count": 5794
},
{
"name": "Other literatures",
"short": "89X",
"query": "89*",
"children": [
{
"name": "Literatures of other specific languages and language families",
"short": "890",
"query": "890*",
"count": 183
},
{
"name": "East Indo-European & Celtic literatures",
"short": "891",
"query": "891*",
"count": 22502
},
{
"name": "Afro-Asiatic literatures",
"short": "892",
"query": "892*",
"count": 2786
},
{
"name": "Non-Semitic Afro-Asiatic literatures",
"short": "893",
"query": "893*",
"count": 163
},
{
"name": "Literatures of Altaic, Uralic, Hyperborean, Dravidian languages; literatures of miscellaneous languages of South Asia",
"short": "894",
"query": "894*",
"count": 2385
},
{
"name": "Literatures of East & Southeast Asia",
"short": "895",
"query": "895*",
"count": 14286
},
{
"name": "African literatures",
"short": "896",
"query": "896*",
"count": 333
},
{
"name": "Literatures of North American native languages",
"short": "897",
"query": "897*",
"count": 242
},
{
"name": "Literatures of South American native languages",
"short": "898",
"query": "898*",
"count": 89
},
{
"name": "Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages",
"short": "899",
"query": "899*",
"count": 560
}
],
"count": 43518
}
],
"count": 762915
},
{
"name": "History & geography",
"short": "9XX",
"query": "9*",
"children": [
{
"name": "History",
"short": "90X",
"query": "90*",
"children": [
{
"name": "History, geography, & auxiliary disciplines",
"short": "900",
"query": "900*",
"count": 603
},
{
"name": "Philosophy & theory of history",
"short": "901",
"query": "901*",
"count": 2927
},
{
"name": "Miscellany of history",
"short": "902",
"query": "902*",
"count": 310
},
{
"name": "Dictionaries, encyclopedias, concordances of history",
"short": "903",
"query": "903*",
"count": 143
},
{
"name": "Collected accounts of events",
"short": "904",
"query": "904*",
"count": 545
},
{
"name": "Serial publications of history",
"short": "905",
"query": "905*",
"count": 21
},
{
"name": "Organizations & management of history",
"short": "906",
"query": "906*",
"count": 26
},
{
"name": "Education, research, related topics of history",
"short": "907",
"query": "907*",
"count": 2258
},
{
"name": "History with respect to groups of people",
"short": "908",
"query": "908*",
"count": 248
},
{
"name": "World history",
"short": "909",
"query": "909*",
"count": 10535
}
],
"count": 17449
},
{
"name": "Geography & travel",
"short": "91X",
"query": "91*",
"children": [
{
"name": "Geography & travel",
"short": "910",
"query": "910*",
"count": 14515
},
{
"name": "Historical geography",
"short": "911",
"query": "911*",
"count": 1033
},
{
"name": "Graphic representations of surface of earth and of extraterrestrial worlds",
"short": "912",
"query": "912*",
"count": 3916
},
{
"name": "Geography of & travel in ancient world",
"short": "913",
"query": "913*",
"count": 3698
},
{
"name": "Geography of & travel in Europe",
"short": "914",
"query": "914*",
"count": 36402
},
{
"name": "Geography of & travel in Asia",
"short": "915",
"query": "915*",
"count": 11201
},
{
"name": "Geography of & travel in Africa",
"short": "916",
"query": "916*",
"count": 5837
},
{
"name": "Geography of & travel in North America",
"short": "917",
"query": "917*",
"count": 34097
},
{
"name": "Geography of & travel in South America",
"short": "918",
"query": "918*",
"count": 3542
},
{
"name": "Geography of & travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, & on extraterrestrial worlds",
"short": "919",
"query": "919*",
"count": 6132
}
],
"count": 119947
},
{
"name": "Biography & genealogy",
"short": "92X",
"query": "92*",
"children": [
{
"name": "Biography, genealogy, insignia",
"short": "920",
"query": "920*",
"count": 12313
},
{
"name": "928 This range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name.",
"short": "921–928",
"query": "[921 TO 928]",
"count": 15329
},
{
"name": "Genealogy, names, insignia",
"short": "929",
"query": "929*",
"count": 61705
}
],
"count": 94252
},
{
"name": "History of ancient world (to ca. 499)",
"short": "93X",
"query": "93*",
"children": [
{
"name": "History of ancient world to ca. 499",
"short": "930",
"query": "930*",
"count": 3897
},
{
"name": "China to 420",
"short": "931",
"query": "931*",
"count": 683
},
{
"name": "Egypt to 640",
"short": "932",
"query": "932*",
"count": 2318
},
{
"name": "Palestine to 70",
"short": "933",
"query": "933*",
"count": 901
},
{
"name": "South Asia to 647",
"short": "934",
"query": "934*",
"count": 990
},
{
"name": "Mesopotamia to 637 & Iranian Plateau to 637",
"short": "935",
"query": "935*",
"count": 739
},
{
"name": "Europe north & west of Italian Peninsula to ca. 499",
"short": "936",
"query": "936*",
"count": 5684
},
{
"name": "Italian Peninsula to 476 & adjacent territories to 476",
"short": "937",
"query": "937*",
"count": 5291
},
{
"name": "Greece to 323",
"short": "938",
"query": "938*",
"count": 2803
},
{
"name": "Other parts of ancient world",
"short": "939",
"query": "939*",
"count": 2365
}
],
"count": 25482
},
{
"name": "History of Europe",
"short": "94X",
"query": "94*",
"children": [
{
"name": "History of Europe",
"short": "940",
"query": "940*",
"count": 47655
},
{
"name": "British Isles",
"short": "941",
"query": "941*",
"count": 15856
},
{
"name": "England & Wales",
"short": "942",
"query": "942*",
"count": 19406
},
{
"name": "Germany & neighboring central European countries",
"short": "943",
"query": "943*",
"count": 23402
},
{
"name": "France & Monaco",
"short": "944",
"query": "944*",
"count": 19267
},
{
"name": "Italy, San Marino, Vatican City, Malta",
"short": "945",
"query": "945*",
"count": 11257
},
{
"name": "Spain, Andorra, Gibraltar, Portugal",
"short": "946",
"query": "946*",
"count": 10811
},
{
"name": "Russia & neighboring east European countries",
"short": "947",
"query": "947*",
"count": 9074
},
{
"name": "Scandinavia",
"short": "948",
"query": "948*",
"count": 1358
},
{
"name": "Other parts of Europe",
"short": "949",
"query": "949*",
"count": 8141
}
],
"count": 165356
},
{
"name": "History of Asia",
"short": "95X",
"query": "95*",
"children": [
{
"name": "History of Asia",
"short": "950",
"query": "950*",
"count": 1380
},
{
"name": "China & adjacent areas",
"short": "951",
"query": "951*",
"count": 9814
},
{
"name": "Japan",
"short": "952",
"query": "952*",
"count": 1881
},
{
"name": "Arabian Peninsula & adjacent areas",
"short": "953",
"query": "953*",
"count": 1098
},
{
"name": "India & neighboring south Asian countries;",
"short": "954",
"query": "954*",
"count": 11345
},
{
"name": "Iran",
"short": "955",
"query": "955*",
"count": 1014
},
{
"name": "Middle East (Near East)",
"short": "956",
"query": "956*",
"count": 9071
},
{
"name": "Siberia (Asiatic Russia)",
"short": "957",
"query": "957*",
"count": 216
},
{
"name": "Central Asia",
"short": "958",
"query": "958*",
"count": 1418
},
{
"name": "Southeast Asia",
"short": "959",
"query": "959*",
"count": 8347
}
],
"count": 45485
},
{
"name": "History of Africa",
"short": "96X",
"query": "96*",
"children": [
{
"name": "History of Africa",
"short": "960",
"query": "960*",
"count": 1741
},
{
"name": "Tunisia & Libya",
"short": "961",
"query": "961*",
"count": 615
},
{
"name": "Egypt, Sudan, South Sudan",
"short": "962",
"query": "962*",
"count": 1306
},
{
"name": "Ethiopia & Eritrea",
"short": "963",
"query": "963*",
"count": 713
},
{
"name": "Morocco, Ceuta, Melilla Western Sahara, Canary Islands",
"short": "964",
"query": "964*",
"count": 663
},
{
"name": "Algeria",
"short": "965",
"query": "965*",
"count": 940
},
{
"name": "West Africa & offshore islands",
"short": "966",
"query": "966*",
"count": 3529
},
{
"name": "Central Africa & offshore islands",
"short": "967",
"query": "967*",
"count": 3719
},
{
"name": "Republic of South Africa & neighboring southern African countries",
"short": "968",
"query": "968*",
"count": 4116
},
{
"name": "South Indian Ocean islands",
"short": "969",
"query": "969*",
"count": 578
}
],
"count": 17865
},
{
"name": "History of North America",
"short": "97X",
"query": "97*",
"children": [
{
"name": "History of North America",
"short": "970",
"query": "970*",
"count": 7851
},
{
"name": "Canada",
"short": "971",
"query": "971*",
"count": 16977
},
{
"name": "Mexico, Central America, West Indies, Bermuda",
"short": "972",
"query": "972*",
"count": 16437
},
{
"name": "United States",
"short": "973",
"query": "973*",
"count": 40937
},
{
"name": "Northeastern United States (New England & Middle Atlantic states)",
"short": "974",
"query": "974*",
"count": 12319
},
{
"name": "Southeastern United States (South Atlantic states)",
"short": "975",
"query": "975*",
"count": 9593
},
{
"name": "South central United States",
"short": "976",
"query": "976*",
"count": 8791
},
{
"name": "North central United States",
"short": "977",
"query": "977*",
"count": 8365
},
{
"name": "Western United States",
"short": "978",
"query": "978*",
"count": 7768
},
{
"name": "Great Basin & Pacific Slope region of United States",
"short": "979",
"query": "979*",
"count": 10302
}
],
"count": 138431
},
{
"name": "History of South America",
"short": "98X",
"query": "98*",
"children": [
{
"name": "History of South America",
"short": "980",
"query": "980*",
"count": 3463
},
{
"name": "Brazil",
"short": "981",
"query": "981*",
"count": 5060
},
{
"name": "Argentina",
"short": "982",
"query": "982*",
"count": 2992
},
{
"name": "Chile",
"short": "983",
"query": "983*",
"count": 1146
},
{
"name": "Bolivia",
"short": "984",
"query": "984*",
"count": 827
},
{
"name": "Peru",
"short": "985",
"query": "985*",
"count": 1931
},
{
"name": "Colombia & Ecuador",
"short": "986",
"query": "986*",
"count": 2458
},
{
"name": "Venezuela",
"short": "987",
"query": "987*",
"count": 1451
},
{
"name": "Guiana",
"short": "988",
"query": "988*",
"count": 252
},
{
"name": "Paraguay & Uruguay",
"short": "989",
"query": "989*",
"count": 1246
}
],
"count": 20776
},
{
"name": "History of other areas",
"short": "99X",
"query": "99*",
"children": [
{
"name": "History of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds",
"short": "990",
"query": "990*",
"count": 174
},
{
"name": "992 Not assigned or no longer used",
"short": "991–992",
"query": "[991 TO 992]",
"count": 283
},
{
"name": "New Zealand",
"short": "993",
"query": "993*",
"count": 1318
},
{
"name": "Australia",
"short": "994",
"query": "994*",
"count": 3597
},
{
"name": "New Guinea & neighboring countries of Melanesia",
"short": "995",
"query": "995*",
"count": 388
},
{
"name": "Polynesia & other Pacific Ocean islands",
"short": "996",
"query": "996*",
"count": 1207
},
{
"name": "Atlantic Ocean islands",
"short": "997",
"query": "997*",
"count": 387
},
{
"name": "Arctic islands & Antarctica",
"short": "998",
"query": "998*",
"count": 216
},
{
"name": "Extraterrestrial worlds",
"short": "999",
"query": "999*",
"count": 57
}
],
"count": 7632
}
],
"count": 645745
}
]