Classification
700 - The arts; fine & decorative arts
320 - Political science
7
900 - History & geography
7
330 - Economics
6
100 - Philosophy & psychology
5
140 - Specific philosophical schools
5
610 - Medicine & health
5
370 - Education
3
400 - Language
3
600 - Technology
3
800 - Literature & rhetoric
3
000 - Computer science, information & general works
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
340 - Law
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
780 - Music
2
200 - Religion
1
364 - Criminology
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
658 - General management
1