Classification
301 - Sociology & anthropology
320 - Political science
410 - Linguistics
400 - Language
5
900 - History & geography
5
300 - Social sciences
4
100 - Philosophy & psychology
3
700 - The arts; fine & decorative arts
3
800 - Literature & rhetoric
3
200 - Religion
2
780 - Music
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
398 - Folklore
1
581 - Specific topics in natural history
1