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