Classification
140 - Specific philosophical schools
4
200 - Religion
320 - Political science
600 - Technology
700 - The arts; fine & decorative arts
380 - Commerce, communications & transportation
3
000 - Computer science, information & general works
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
2
581 - Specific topics in natural history
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
800 - Literature & rhetoric
1
900 - History & geography
1