Classification
320 - Political science
922
330 - Economics
210
820 - English & Old English literatures
134
327 - International relations
90
900 - History & geography
85
306 - Culture & institutions
75
940 - History of Europe
49
324 - The political process
35
300 - Social sciences
25
340 - Law
21
304 - Factors affecting social behavior
19
341 - Law of nations
16
305 - Social groups
15
363 - Other social problems & services
14
338 - Production
10
355 - Military science
10
361 - Social problems & social welfare in general
10
303 - Social processes
9
370 - Education
9
323 - Civil & political rights
8
325 - International migration & colonization
8
351 - Public administration
8
576 - Genetics & evolution
7
700 - The arts; fine & decorative arts
7
307 - Communities
6
407 - Education, research & related topics
6
301 - Sociology & anthropology
5
333 - Economics of land & energy
5
322 - Relation of state to organized groups
4
328 - The legislative process
4
339 - Macroeconomics & related topics
4
909 - World history
4
970 - History of North America
4
200 - Religion
3
342 - Constitutional & administrative law
3
950 - History of Asia; Far East
3
302 - Social interaction
2
337 - International economics
2
343 - Military, tax, trade & industrial law
2
350 - Public administration & military science
2
378 - Higher education
2
410 - Linguistics
2
418 - Standard usage & applied linguistics
2
660 - Chemical engineering
2
800 - Literature & rhetoric
2
910 - Geography & travel
2
973 - United States
2
000 - Computer science, information & general works
1
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
1
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