Classification
361 - Social problems & social welfare in general
140 - Specific philosophical schools
3
320 - Political science
2
363 - Other social problems & services
2
000 - Computer science, information & general works
1
200 - Religion
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1
900 - History & geography
1