Classification
320 - Political science
253
330 - Economics
253
900 - History & geography
41
340 - Law
37
200 - Religion
36
800 - Literature & rhetoric
22
576 - Genetics & evolution
13
300 - Social sciences
10
370 - Education
7
700 - The arts; fine & decorative arts
6
160 - Logic
3
170 - Ethics
3
258 - [Unassigned]
1
304 - Factors affecting social behavior
1