Classification
200 - Religion
320 - Political science
31
330 - Economics
31
900 - History & geography
7
340 - Law
4
100 - Philosophy & psychology
3
170 - Ethics
2
140 - Specific philosophical schools
1
300 - Social sciences
1
370 - Education
1
530 - Physics
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1