Classification
320 - Political science
331
330 - Economics
900 - History & geography
300 - Social sciences
74
576 - Genetics & evolution
56
340 - Law
16
700 - The arts; fine & decorative arts
11
200 - Religion
5
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
370 - Education
2
160 - Logic
1
170 - Ethics
1
354 - Administration of economy & environment
1
400 - Language
1
630 - Agriculture & related technologies
1
780 - Music
1
800 - Literature & rhetoric
1