Classification
100 - Philosophy & psychology
301 - Sociology & anthropology
800 - Literature & rhetoric
900 - History & geography
6
700 - The arts; fine & decorative arts
4
200 - Religion
3
400 - Language
3
000 - Computer science, information & general works
2
300 - Social sciences
2
330 - Economics
2
363 - Other social problems & services
2
780 - Music
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
320 - Political science
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
791 - Public performances
1