Classification
780 - Music
700 - The arts; fine & decorative arts
7
900 - History & geography
7
000 - Computer science, information & general works
3
100 - Philosophy & psychology
3
301 - Sociology & anthropology
3
320 - Political science
3
333 - Economics of land & energy
3
600 - Technology
3
620 - Engineering & allied operations
3
140 - Specific philosophical schools
2
330 - Economics
2
370 - Education
2
400 - Language
2
581 - Specific topics in natural history
2
610 - Medicine & health
2
200 - Religion
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
590 - Animals (Zoology)
1
658 - General management
1
791 - Public performances
1
800 - Literature & rhetoric
1