Classification
361 - Social problems & social welfare in general
363 - Other social problems & services
000 - Computer science, information & general works
3
320 - Political science
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
200 - Religion
2
380 - Commerce, communications & transportation
2
581 - Specific topics in natural history
2
600 - Technology
2
300 - Social sciences
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
658 - General management
1
900 - History & geography
1