Classification
300 - Social sciences
304 - Factors affecting social behavior
370 - Education
11
320 - Political science
7
330 - Economics
7
100 - Philosophy & psychology
6
301 - Sociology & anthropology
5
200 - Religion
4
340 - Law
4
700 - The arts; fine & decorative arts
4
610 - Medicine & health
3
900 - History & geography
3
140 - Specific philosophical schools
2
297 - Islam, Babism & Bahai Faith
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
363 - Other social problems & services
1
400 - Language
1
600 - Technology
1
780 - Music
1