Classification
330 - Economics
320 - Political science
13
650 - Management & auxiliary services
2
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
576 - Genetics & evolution
1
610 - Medicine & health
1
658 - General management
1
900 - History & geography
1