Classification
304 - Factors affecting social behavior
320 - Political science
800 - Literature & rhetoric
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
330 - Economics
2
900 - History & geography
2
100 - Philosophy & psychology
1
170 - Ethics
1
300 - Social sciences
1
363 - Other social problems & services
1
610 - Medicine & health
1