Classification
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
3
770 - Photography, photographs & computer art
000 - Computer science, information & general works
2
200 - Religion
2
330 - Economics
2
333 - Economics of land & energy
2
780 - Music
2
800 - Literature & rhetoric
2
900 - History & geography
2
100 - Philosophy & psychology
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
576 - Genetics & evolution
1
600 - Technology
1