Classification
304 - Factors affecting social behavior
320 - Political science
900 - History & geography
300 - Social sciences
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1