Classification
340 - Law
8,730
330 - Economics
5,155
320 - Political science
4,843
820 - English & Old English literatures
2,184
610 - Medicine & health
1,889
333 - Economics of land & energy
1,204
900 - History & geography
1,083
338 - Production
690
300 - Social sciences
672
700 - The arts; fine & decorative arts
638
370 - Education
605
658 - General management
535
621 - Applied physics
527
363 - Other social problems & services
464
600 - Technology
429
620 - Engineering & allied operations
425
000 - Computer science, information & general works
390
576 - Genetics & evolution
332
332 - Financial economics
328
530 - Physics
323
379 - Public policy issues in education
291
380 - Commerce, communications & transportation
279
970 - History of North America
276
500 - Natural sciences & mathematics
247
306 - Culture & institutions
231
331 - Labor economics
223
361 - Social problems & social welfare in general
213
355 - Military science
207
304 - Factors affecting social behavior
206
378 - Higher education
198
800 - Literature & rhetoric
190
362 - Social welfare problems & services
189
371 - Schools & their activities; special education
189
140 - Specific philosophical schools
171
630 - Agriculture & related technologies
160
200 - Religion
155
327 - International relations
151
342 - Constitutional & administrative law
151
973 - United States
150
305 - Social groups
148
301 - Sociology & anthropology
139
940 - History of Europe
139
540 - Chemistry & allied sciences
133
100 - Philosophy & psychology
127
280 - Christian denominations & sects
121
302 - Social interaction
115
346 - Private law
110
170 - Ethics
99
350 - Public administration & military science
95
343 - Military, tax, trade & industrial law
88
more ...