Classification
140 - Specific philosophical schools
3
320 - Political science
3
363 - Other social problems & services
581 - Specific topics in natural history
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
200 - Religion
2
361 - Social problems & social welfare in general
2
380 - Commerce, communications & transportation
2
600 - Technology
2
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
580 - Plants (Botany)
1
720 - Architecture
1
900 - History & geography
1