Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
300 - Social sciences
320 - Political science
333 - Economics of land & energy
4
363 - Other social problems & services
330 - Economics
3
700 - The arts; fine & decorative arts
3
340 - Law
2
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
658 - General management
1
900 - History & geography
1