Classification
350 - Public administration & military science
320 - Political science
51
300 - Social sciences
17
301 - Sociology & anthropology
13
330 - Economics
9
900 - History & geography
8
304 - Factors affecting social behavior
5
340 - Law
4
361 - Social problems & social welfare in general
4
610 - Medicine & health
4
333 - Economics of land & energy
3
360 - Social problems & services; associations
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
370 - Education
2
700 - The arts; fine & decorative arts
2
120 - Epistemology, causation & humankind
1
551 - Geology, hydrology & meteorology
1