Classification
300 - Social sciences
320 - Political science
824
330 - Economics
824
630 - Agriculture & related technologies
340 - Law
60
900 - History & geography
26
700 - The arts; fine & decorative arts
13
610 - Medicine & health
6
100 - Philosophy & psychology
3
200 - Religion
2
370 - Education
2
720 - Architecture
2
170 - Ethics
1
550 - Earth sciences
1
576 - Genetics & evolution
1
600 - Technology
1