Classification
300 - Social sciences
45
330 - Economics
45
320 - Political science
23
340 - Law
7
304 - Factors affecting social behavior
6
361 - Social problems & social welfare in general
6
700 - The arts; fine & decorative arts
6
370 - Education
5
380 - Commerce, communications & transportation
5
600 - Technology
5
170 - Ethics
4
360 - Social problems & services; associations
4
900 - History & geography
4
610 - Medicine & health
3
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
630 - Agriculture & related technologies
2
140 - Specific philosophical schools
1
160 - Logic
1
363 - Other social problems & services
1