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