Classification
100 - Philosophy & psychology
320 - Political science
168
330 - Economics
168
340 - Law
37
900 - History & geography
30
300 - Social sciences
23
170 - Ethics
18
200 - Religion
18
630 - Agriculture & related technologies
6
140 - Specific philosophical schools
4
576 - Genetics & evolution
4
370 - Education
3
610 - Medicine & health
2
800 - Literature & rhetoric
2
160 - Logic
1
301 - Sociology & anthropology
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
720 - Architecture
1