Classification
301 - Sociology & anthropology
610 - Medicine & health
100 - Philosophy & psychology
3
300 - Social sciences
3
333 - Economics of land & energy
3
140 - Specific philosophical schools
2
320 - Political science
2
330 - Economics
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
170 - Ethics
1
200 - Religion
1
304 - Factors affecting social behavior
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1