Classification
900 - History & geography
352
370 - Education
143
700 - The arts; fine & decorative arts
100
320 - Political science
68
800 - Literature & rhetoric
34
576 - Genetics & evolution
26
200 - Religion
21
780 - Music
10
400 - Language
9
300 - Social sciences
8
100 - Philosophy & psychology
7
340 - Law
4
630 - Agriculture & related technologies
4
297 - Islam, Babism & Bahai Faith
3
610 - Medicine & health
3
160 - Logic
1
330 - Economics
1
600 - Technology
1
891 - East Indo-European & Celtic literatures
1
947 - Eastern Europe; Russia
1
949 - Other parts of Europe
1