Classification
320 - Political science
1,311
330 - Economics
1,311
576 - Genetics & evolution
1,310
900 - History & geography
1,285
300 - Social sciences
437
340 - Law
185
700 - The arts; fine & decorative arts
16
200 - Religion
7
100 - Philosophy & psychology
4
630 - Agriculture & related technologies
3
140 - Specific philosophical schools
2
800 - Literature & rhetoric
2
343 - Military, tax, trade & industrial law
1
370 - Education
1
780 - Music
1
973 - United States
1