Classification
200 - Religion
900 - History & geography
100 - Philosophy & psychology
3
320 - Political science
3
140 - Specific philosophical schools
2
380 - Commerce, communications & transportation
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
170 - Ethics
1
300 - Social sciences
1
370 - Education
1