Classification
340 - Law
45
100 - Philosophy & psychology
15
320 - Political science
14
330 - Economics
10
300 - Social sciences
6
370 - Education
5
200 - Religion
4
303 - Social processes
3
170 - Ethics
2
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
900 - History & geography
2
140 - Specific philosophical schools
1
174 - Occupational ethics
1
241 - Christian ethics
1
291 - [Unassigned]
1
296 - Judaism
1
306 - Culture & institutions
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
577 - Ecology
1
581 - Specific topics in natural history
1
700 - The arts; fine & decorative arts
1
822 - English drama
1