Classification
320 - Political science
4,735
330 - Economics
340 - Law
300 - Social sciences
245
900 - History & geography
215
630 - Agriculture & related technologies
93
700 - The arts; fine & decorative arts
90
200 - Religion
24
370 - Education
21
100 - Philosophy & psychology
16
170 - Ethics
14
610 - Medicine & health
8
576 - Genetics & evolution
7
800 - Literature & rhetoric
5
140 - Specific philosophical schools
4
338 - Production
3
780 - Music
2
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
337 - International economics
1
347 - Civil procedure & courts
1
720 - Architecture
1