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