Classification
400 - Language
700 - The arts; fine & decorative arts
6
780 - Music
800 - Literature & rhetoric
900 - History & geography
140 - Specific philosophical schools
4
301 - Sociology & anthropology
3
410 - Linguistics
3
100 - Philosophy & psychology
2
200 - Religion
2
304 - Factors affecting social behavior
2
320 - Political science
2
363 - Other social problems & services
2
581 - Specific topics in natural history
2
000 - Computer science, information & general works
1
300 - Social sciences
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
770 - Photography, photographs & computer art
1
791 - Public performances
1