Classification
300 - Social sciences
330 - Economics
18
361 - Social problems & social welfare in general
17
610 - Medicine & health
11
320 - Political science
8
301 - Sociology & anthropology
5
100 - Philosophy & psychology
3
140 - Specific philosophical schools
2
170 - Ethics
2
615 - Pharmacology & therapeutics
2
700 - The arts; fine & decorative arts
2
333 - Economics of land & energy
1
340 - Law
1
900 - History & geography
1