Classification
363 - Other social problems & services
610 - Medicine & health
000 - Computer science, information & general works
5
140 - Specific philosophical schools
5
370 - Education
5
380 - Commerce, communications & transportation
5
330 - Economics
4
551 - Geology, hydrology & meteorology
3
600 - Technology
3
658 - General management
3
700 - The arts; fine & decorative arts
3
304 - Factors affecting social behavior
2
320 - Political science
2
333 - Economics of land & energy
2
576 - Genetics & evolution
2
900 - History & geography
2
100 - Philosophy & psychology
1
360 - Social problems & services; associations
1
364 - Criminology
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
780 - Music
1
800 - Literature & rhetoric
1