Classification
100 - Philosophy & psychology
170 - Ethics
300 - Social sciences
370 - Education
320 - Political science
8
200 - Religion
6
900 - History & geography
6
340 - Law
5
363 - Other social problems & services
5
600 - Technology
5
120 - Epistemology, causation & humankind
4
301 - Sociology & anthropology
2
330 - Economics
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
620 - Engineering & allied operations
1
658 - General management
1
780 - Music
1