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