Classification
200 - Religion
33
320 - Political science
33
900 - History & geography
11
300 - Social sciences
5
304 - Factors affecting social behavior
4
370 - Education
4
100 - Philosophy & psychology
3
297 - Islam, Babism & Bahai Faith
3
301 - Sociology & anthropology
3
333 - Economics of land & energy
3
340 - Law
3
140 - Specific philosophical schools
2
170 - Ethics
2
363 - Other social problems & services
2
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
780 - Music
2
201 - Religious mythology & social theology
1
330 - Economics
1
530 - Physics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
800 - Literature & rhetoric
1