Classification
160 - Logic
100 - Philosophy & psychology
6
400 - Language
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
301 - Sociology & anthropology
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1