Classification
301 - Sociology & anthropology
320 - Political science
3
361 - Social problems & social welfare in general
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
200 - Religion
2
300 - Social sciences
2
600 - Technology
2
100 - Philosophy & psychology
1
170 - Ethics
1
330 - Economics
1
340 - Law
1
360 - Social problems & services; associations
1
363 - Other social problems & services
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
581 - Specific topics in natural history
1
900 - History & geography
1