Classification
200 - Religion
300 - Social sciences
320 - Political science
4
370 - Education
900 - History & geography
330 - Economics
3
380 - Commerce, communications & transportation
3
100 - Philosophy & psychology
2
170 - Ethics
2
340 - Law
2
363 - Other social problems & services
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
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
1
780 - Music
1