Classification
300 - Social sciences
320 - Political science
340 - Law
30
900 - History & geography
25
100 - Philosophy & psychology
17
330 - Economics
4
200 - Religion
3
301 - Sociology & anthropology
3
610 - Medicine & health
3
000 - Computer science, information & general works
2
364 - Criminology
2
650 - Management & auxiliary services
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
160 - Logic
1
170 - Ethics
1
304 - Factors affecting social behavior
1
321 - Systems of governments & states
1
361 - Social problems & social welfare in general
1
780 - Music
1