Classification
361 - Social problems & social welfare in general
320 - Political science
14
300 - Social sciences
11
360 - Social problems & services; associations
9
330 - Economics
6
700 - The arts; fine & decorative arts
6
333 - Economics of land & energy
5
140 - Specific philosophical schools
3
364 - Criminology
3
370 - Education
3
380 - Commerce, communications & transportation
3
610 - Medicine & health
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
2
363 - Other social problems & services
2
630 - Agriculture & related technologies
2
170 - Ethics
1
340 - Law
1
400 - Language
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
657 - Accounting
1