Classification
320 - Political science
330 - Economics
1,321
300 - Social sciences
285
630 - Agriculture & related technologies
132
900 - History & geography
128
340 - Law
124
700 - The arts; fine & decorative arts
33
500 - Natural sciences & mathematics
22
170 - Ethics
12
800 - Literature & rhetoric
9
100 - Philosophy & psychology
8
370 - Education
6
200 - Religion
5
140 - Specific philosophical schools
4
550 - Earth sciences
4
160 - Logic
3
610 - Medicine & health
3
400 - Language
2
530 - Physics
2
600 - Technology
2
345 - Criminal law
1
576 - Genetics & evolution
1