Classification
000 - Computer science, information & general works
301 - Sociology & anthropology
340 - Law
300 - Social sciences
4
320 - Political science
4
700 - The arts; fine & decorative arts
4
333 - Economics of land & energy
3
100 - Philosophy & psychology
2
200 - Religion
2
304 - Factors affecting social behavior
2
330 - Economics
2
363 - Other social problems & services
2
370 - Education
2
140 - Specific philosophical schools
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
600 - Technology
1
900 - History & geography
1