Classification
320 - Political science
97
330 - Economics
340 - Law
36
200 - Religion
11
300 - Social sciences
8
630 - Agriculture & related technologies
5
900 - History & geography
4
700 - The arts; fine & decorative arts
3
170 - Ethics
1
332 - Financial economics
1
800 - Literature & rhetoric
1
920 - Biography, genealogy & insignia
1