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