Classification
320 - Political science
330 - Economics
7,238
340 - Law
900 - History & geography
592
300 - Social sciences
367
576 - Genetics & evolution
185
700 - The arts; fine & decorative arts
129
630 - Agriculture & related technologies
120
200 - Religion
56
100 - Philosophy & psychology
37
370 - Education
24
170 - Ethics
22
610 - Medicine & health
14
800 - Literature & rhetoric
6
780 - Music
5
140 - Specific philosophical schools
4
160 - Logic
4
338 - Production
3
400 - Language
3
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
336 - Public finance
1
337 - International economics
1
347 - Civil procedure & courts
1
450 - Italian, Romanian & related languages
1
720 - Architecture
1
920 - Biography, genealogy & insignia
1