Classification
330 - Economics
3,604
320 - Political science
3,018
900 - History & geography
1,696
820 - English & Old English literatures
1,048
300 - Social sciences
790
304 - Factors affecting social behavior
705
340 - Law
681
610 - Medicine & health
679
333 - Economics of land & energy
643
940 - History of Europe
511
658 - General management
488
338 - Production
479
306 - Culture & institutions
437
700 - The arts; fine & decorative arts
430
616 - Diseases
408
363 - Other social problems & services
387
370 - Education
379
600 - Technology
340
327 - International relations
319
341 - Law of nations
319
380 - Commerce, communications & transportation
291
004 - Data processing & computer science
288
301 - Sociology & anthropology
283
620 - Engineering & allied operations
255
551 - Geology, hydrology & meteorology
254
910 - Geography & travel
246
005 - Computer programming, programs & data
242
577 - Ecology
242
200 - Religion
234
305 - Social groups
228
621 - Applied physics
217
332 - Financial economics
209
006 - Special computer methods
199
337 - International economics
198
800 - Literature & rhetoric
185
140 - Specific philosophical schools
177
331 - Labor economics
177
000 - Computer science, information & general works
173
630 - Agriculture & related technologies
172
100 - Philosophy & psychology
146
617 - Surgery & related medical specialties
125
650 - Management & auxiliary services
125
520 - Astronomy & allied sciences
122
500 - Natural sciences & mathematics
116
930 - History of ancient world to ca. 499
114
339 - Macroeconomics & related topics
113
342 - Constitutional & administrative law
109
400 - Language
104
809 - History, description & criticism
104
580 - Plants (Botany)
102
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