Classification
320 - Political science
333 - Economics of land & energy
140 - Specific philosophical schools
2
200 - Religion
2
330 - Economics
2
363 - Other social problems & services
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
800 - Literature & rhetoric
1