Classification
300 - Social sciences
700 - The arts; fine & decorative arts
320 - Political science
10
900 - History & geography
10
000 - Computer science, information & general works
5
100 - Philosophy & psychology
5
720 - Architecture
5
363 - Other social problems & services
4
200 - Religion
3
301 - Sociology & anthropology
3
330 - Economics
3
333 - Economics of land & energy
3
304 - Factors affecting social behavior
2
340 - Law
2
370 - Education
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
600 - Technology
2
610 - Medicine & health
2
658 - General management
2
791 - Public performances
2
800 - Literature & rhetoric
2
400 - Language
1
500 - Natural sciences & mathematics
1
770 - Photography, photographs & computer art
1
780 - Music
1