Classification
170 - Ethics
100 - Philosophy & psychology
10
900 - History & geography
4
200 - Religion
3
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
2
300 - Social sciences
2
330 - Economics
2
333 - Economics of land & energy
2
600 - Technology
2
160 - Logic
1
174 - Occupational ethics
1
301 - Sociology & anthropology
1
320 - Political science
1
340 - Law
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
658 - General management
1
700 - The arts; fine & decorative arts
1