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