Classification
200 - Religion
320 - Political science
361 - Social problems & social welfare in general
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
581 - Specific topics in natural history
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
300 - Social sciences
1
301 - Sociology & anthropology
1
780 - Music
1
900 - History & geography
1