Classification
100 - Philosophy & psychology
5
320 - Political science
370 - Education
300 - Social sciences
3
333 - Economics of land & energy
3
610 - Medicine & health
2
900 - History & geography
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
600 - Technology
1
800 - Literature & rhetoric
1