Classification
200 - Religion
14
300 - Social sciences
320 - Political science
8
297 - Islam, Babism & Bahai Faith
7
100 - Philosophy & psychology
5
140 - Specific philosophical schools
3
301 - Sociology & anthropology
3
330 - Economics
3
370 - Education
3
170 - Ethics
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
340 - Law
2
581 - Specific topics in natural history
2
610 - Medicine & health
2
900 - History & geography
2
120 - Epistemology, causation & humankind
1
361 - Social problems & social welfare in general
1
600 - Technology
1
700 - The arts; fine & decorative arts
1