Classification
140 - Specific philosophical schools
320 - Political science
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
330 - Economics
4
100 - Philosophy & psychology
3
900 - History & geography
3
200 - Religion
2
297 - Islam, Babism & Bahai Faith
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
170 - Ethics
1
300 - Social sciences
1
301 - Sociology & anthropology
1
340 - Law
1
380 - Commerce, communications & transportation
1
398 - Folklore
1
400 - Language
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
600 - Technology
1
780 - Music
1