Classification
320 - Political science
498
330 - Economics
498
370 - Education
200 - Religion
43
340 - Law
21
900 - History & geography
19
300 - Social sciences
15
160 - Logic
11
630 - Agriculture & related technologies
11
610 - Medicine & health
7
700 - The arts; fine & decorative arts
7
100 - Philosophy & psychology
3
400 - Language
3
800 - Literature & rhetoric
3
170 - Ethics
1
500 - Natural sciences & mathematics
1