Classification
380 - Commerce, communications & transportation
400 - Language
5
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
140 - Specific philosophical schools
4
330 - Economics
3
333 - Economics of land & energy
3
100 - Philosophy & psychology
2
304 - Factors affecting social behavior
2
320 - Political science
2
581 - Specific topics in natural history
2
600 - Technology
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
363 - Other social problems & services
1
590 - Animals (Zoology)
1
780 - Music
1
791 - Public performances
1
900 - History & geography
1