Classification
170 - Ethics
400 - Language
140 - Specific philosophical schools
2
200 - Religion
2
320 - Political science
2
340 - Law
2
100 - Philosophy & psychology
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
330 - Economics
1
370 - Education
1
410 - Linguistics
1
576 - Genetics & evolution
1
800 - Literature & rhetoric
1