Classification
100 - Philosophy & psychology
320 - Political science
330 - Economics
340 - Law
16
170 - Ethics
13
900 - History & geography
13
300 - Social sciences
11
200 - Religion
8
370 - Education
3
630 - Agriculture & related technologies
3
140 - Specific philosophical schools
2
400 - Language
1
800 - Literature & rhetoric
1