Classification
320 - Political science
163
330 - Economics
162
900 - History & geography
72
820 - English & Old English literatures
51
340 - Law
30
576 - Genetics & evolution
21
300 - Social sciences
12
700 - The arts; fine & decorative arts
3
306 - Culture & institutions
1
325 - International migration & colonization
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
1
349 - Law of specific jurisdictions & areas
1
382 - International commerce
1
630 - Agriculture & related technologies
1