Classification
140 - Specific philosophical schools
301 - Sociology & anthropology
400 - Language
4
900 - History & geography
700 - The arts; fine & decorative arts
3
780 - Music
3
100 - Philosophy & psychology
2
363 - Other social problems & services
2
410 - Linguistics
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
300 - Social sciences
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
791 - Public performances
1