Classification
361 - Social problems & social welfare in general
320 - Political science
40
330 - Economics
39
100 - Philosophy & psychology
9
610 - Medicine & health
8
333 - Economics of land & energy
6
700 - The arts; fine & decorative arts
5
300 - Social sciences
4
336 - Public finance
4
360 - Social problems & services; associations
4
340 - Law
3
140 - Specific philosophical schools
2
170 - Ethics
2
350 - Public administration & military science
2
380 - Commerce, communications & transportation
2
900 - History & geography
2
301 - Sociology & anthropology
1
364 - Criminology
1
576 - Genetics & evolution
1
658 - General management
1