Classification
340 - Law
7,392
330 - Economics
3,857
320 - Political science
2,882
820 - English & Old English literatures
1,910
610 - Medicine & health
1,726
900 - History & geography
575
300 - Social sciences
454
658 - General management
430
338 - Production
318
363 - Other social problems & services
314
332 - Financial economics
307
970 - History of North America
238
370 - Education
235
700 - The arts; fine & decorative arts
229
331 - Labor economics
213
355 - Military science
205
576 - Genetics & evolution
204
362 - Social welfare problems & services
185
333 - Economics of land & energy
176
800 - Literature & rhetoric
159
500 - Natural sciences & mathematics
149
973 - United States
147
327 - International relations
136
380 - Commerce, communications & transportation
135
940 - History of Europe
129
342 - Constitutional & administrative law
121
600 - Technology
118
000 - Computer science, information & general works
117
305 - Social groups
109
302 - Social interaction
106
346 - Private law
106
306 - Culture & institutions
101
280 - Christian denominations & sects
90
347 - Civil procedure & courts
85
350 - Public administration & military science
85
301 - Sociology & anthropology
83
620 - Engineering & allied operations
80
304 - Factors affecting social behavior
77
343 - Military, tax, trade & industrial law
77
170 - Ethics
75
158 - Applied psychology
73
371 - Schools & their activities; special education
72
630 - Agriculture & related technologies
71
381 - Commerce
67
384 - Communications; telecommunication
67
650 - Management & auxiliary services
67
339 - Macroeconomics & related topics
63
780 - Music
61
364 - Criminology
59
345 - Criminal law
58
more ...