Classification
140 - Specific philosophical schools
320 - Political science
340 - Law
330 - Economics
5
363 - Other social problems & services
5
700 - The arts; fine & decorative arts
5
900 - History & geography
5
100 - Philosophy & psychology
4
333 - Economics of land & energy
4
551 - Geology, hydrology & meteorology
4
170 - Ethics
3
000 - Computer science, information & general works
2
300 - Social sciences
2
370 - Education
2
800 - Literature & rhetoric
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
581 - Specific topics in natural history
1
610 - Medicine & health
1