Classification
301 - Sociology & anthropology
320 - Political science
11
300 - Social sciences
8
900 - History & geography
4
340 - Law
3
100 - Philosophy & psychology
2
303 - Social processes
2
330 - Economics
2
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
600 - Technology
1