Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
170 - Ethics
200 - Religion
4
900 - History & geography
3
120 - Epistemology, causation & humankind
2
320 - Political science
2
160 - Logic
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
700 - The arts; fine & decorative arts
1