Classification
361 - Social problems & social welfare in general
300 - Social sciences
22
320 - Political science
15
360 - Social problems & services; associations
14
330 - Economics
11
364 - Criminology
11
900 - History & geography
7
340 - Law
6
700 - The arts; fine & decorative arts
6
140 - Specific philosophical schools
5
333 - Economics of land & energy
5
370 - Education
5
610 - Medicine & health
5
100 - Philosophy & psychology
3
304 - Factors affecting social behavior
3
301 - Sociology & anthropology
2
590 - Animals (Zoology)
2
600 - Technology
2
000 - Computer science, information & general works
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
363 - Other social problems & services
1
400 - Language
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
658 - General management
1
800 - Literature & rhetoric
1