Classification
100 - Philosophy & psychology
170 - Ethics
300 - Social sciences
320 - Political science
9
900 - History & geography
340 - Law
6
330 - Economics
5
140 - Specific philosophical schools
4
370 - Education
4
301 - Sociology & anthropology
3
610 - Medicine & health
3
200 - Religion
2
380 - Commerce, communications & transportation
2
600 - Technology
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
620 - Engineering & allied operations
1
658 - General management
1
780 - Music
1