Classification
360 - Social problems & services; associations
361 - Social problems & social welfare in general
300 - Social sciences
63
320 - Political science
54
364 - Criminology
52
330 - Economics
26
610 - Medicine & health
15
340 - Law
14
100 - Philosophy & psychology
10
370 - Education
10
700 - The arts; fine & decorative arts
10
900 - History & geography
9
301 - Sociology & anthropology
8
600 - Technology
8
140 - Specific philosophical schools
7
170 - Ethics
7
000 - Computer science, information & general works
6
304 - Factors affecting social behavior
6
333 - Economics of land & energy
6
350 - Public administration & military science
3
620 - Engineering & allied operations
3
200 - Religion
2
551 - Geology, hydrology & meteorology
2
363 - Other social problems & services
1
400 - Language
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
658 - General management
1
920 - Biography, genealogy & insignia
1