Classification
300 - Social sciences
360 - Social problems & services; associations
361 - Social problems & social welfare in general
28
320 - Political science
17
330 - Economics
8
364 - Criminology
5
304 - Factors affecting social behavior
4
140 - Specific philosophical schools
3
340 - Law
3
700 - The arts; fine & decorative arts
3
301 - Sociology & anthropology
2
380 - Commerce, communications & transportation
2
900 - History & geography
2
100 - Philosophy & psychology
1
170 - Ethics
1
333 - Economics of land & energy
1
350 - Public administration & military science
1
500 - Natural sciences & mathematics
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1