Classification
301 - Sociology & anthropology
791 - Public performances
900 - History & geography
6
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
3
300 - Social sciences
3
320 - Political science
2
780 - Music
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
800 - Literature & rhetoric
1