Classification
320 - Political science
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
363 - Other social problems & services
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
304 - Factors affecting social behavior
2
330 - Economics
2
610 - Medicine & health
2
900 - History & geography
2
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
333 - Economics of land & energy
1
340 - Law
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
630 - Agriculture & related technologies
1
780 - Music
1