Classification
320 - Political science
16,677
330 - Economics
7,951
820 - English & Old English literatures
6,122
340 - Law
2,595
900 - History & geography
2,494
300 - Social sciences
1,842
327 - International relations
1,321
306 - Culture & institutions
1,021
338 - Production
814
700 - The arts; fine & decorative arts
813
100 - Philosophy & psychology
703
301 - Sociology & anthropology
644
333 - Economics of land & energy
587
940 - History of Europe
566
363 - Other social problems & services
551
370 - Education
530
304 - Factors affecting social behavior
522
576 - Genetics & evolution
449
305 - Social groups
390
200 - Religion
360
170 - Ethics
359
302 - Social interaction
320
140 - Specific philosophical schools
313
303 - Social processes
308
361 - Social problems & social welfare in general
280
500 - Natural sciences & mathematics
250
658 - General management
248
324 - The political process
244
379 - Public policy issues in education
239
355 - Military science
230
380 - Commerce, communications & transportation
226
350 - Public administration & military science
193
800 - Literature & rhetoric
184
341 - Law of nations
183
610 - Medicine & health
176
331 - Labor economics
175
339 - Macroeconomics & related topics
174
600 - Technology
169
000 - Computer science, information & general works
160
378 - Higher education
152
364 - Criminology
151
337 - International economics
149
323 - Civil & political rights
145
351 - Public administration
115
400 - Language
113
551 - Geology, hydrology & meteorology
113
941 - British Isles
113
362 - Social welfare problems & services
111
280 - Christian denominations & sects
110
371 - Schools & their activities; special education
110
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