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