Classification
320 - Political science
745
330 - Economics
300 - Social sciences
140
340 - Law
127
900 - History & geography
59
630 - Agriculture & related technologies
29
700 - The arts; fine & decorative arts
10
370 - Education
5
170 - Ethics
4
500 - Natural sciences & mathematics
3
200 - Religion
2
100 - Philosophy & psychology
1
160 - Logic
1
304 - Factors affecting social behavior
1
382 - International commerce
1
576 - Genetics & evolution
1
610 - Medicine & health
1
720 - Architecture
1
800 - Literature & rhetoric
1
920 - Biography, genealogy & insignia
1