Classification
900 - History & geography
17
305 - Social groups
11
320 - Political science
10
340 - Law
10
300 - Social sciences
7
296 - Judaism
5
200 - Religion
4
304 - Factors affecting social behavior
3
370 - Education
3
100 - Philosophy & psychology
2
780 - Music
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
193 - Philosophy of Germany & Austria
1
261 - Social theology
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
380 - Commerce, communications & transportation
1
400 - Language
1
600 - Technology
1
800 - Literature & rhetoric
1
809 - History, description & criticism
1
832 - German drama
1