Classification
304 - Factors affecting social behavior
11
610 - Medicine & health
11
100 - Philosophy & psychology
10
170 - Ethics
9
320 - Political science
7
301 - Sociology & anthropology
6
330 - Economics
5
900 - History & geography
3
336 - Public finance
2
700 - The arts; fine & decorative arts
2
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
780 - Music
1