Classification
100 - Philosophy & psychology
193
320 - Political science
106
900 - History & geography
53
340 - Law
43
300 - Social sciences
34
200 - Religion
31
140 - Specific philosophical schools
9
170 - Ethics
9
700 - The arts; fine & decorative arts
7
330 - Economics
6
576 - Genetics & evolution
6
530 - Physics
5
301 - Sociology & anthropology
4
296 - Judaism
2
304 - Factors affecting social behavior
2
370 - Education
2
551 - Geology, hydrology & meteorology
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
193 - Philosophy of Germany & Austria
1
261 - Social theology
1
297 - Islam, Babism & Bahai Faith
1
321 - Systems of governments & states
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
720 - Architecture
1
833 - German fiction
1
859 - Romanian & related literatures
1
909 - World history
1
920 - Biography, genealogy & insignia
1
942 - England & Wales
1
943 - Central Europe; Germany
1