Classification
363 - Other social problems & services
8
610 - Medicine & health
700 - The arts; fine & decorative arts
600 - Technology
5
000 - Computer science, information & general works
4
380 - Commerce, communications & transportation
4
140 - Specific philosophical schools
3
320 - Political science
3
658 - General management
3
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
615 - Pharmacology & therapeutics
2
304 - Factors affecting social behavior
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
612 - Human physiology
1