Classification
100 - Philosophy & psychology
200 - Religion
320 - Political science
900 - History & geography
300 - Social sciences
10
170 - Ethics
5
000 - Computer science, information & general works
4
120 - Epistemology, causation & humankind
3
140 - Specific philosophical schools
3
301 - Sociology & anthropology
3
333 - Economics of land & energy
3
340 - Law
3
400 - Language
3
297 - Islam, Babism & Bahai Faith
2
330 - Economics
2
410 - Linguistics
2
700 - The arts; fine & decorative arts
2
780 - Music
2
800 - Literature & rhetoric
2
296 - Judaism
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
530 - Physics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
1