Classification
100 - Philosophy & psychology
6
530 - Physics
700 - The arts; fine & decorative arts
4
900 - History & geography
3
120 - Epistemology, causation & humankind
2
500 - Natural sciences & mathematics
2
140 - Specific philosophical schools
1
160 - Logic
1
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
600 - Technology
1