Classification
610 - Medicine & health
59
370 - Education
12
330 - Economics
10
100 - Philosophy & psychology
5
170 - Ethics
4
361 - Social problems & social welfare in general
4
362 - Social welfare problems & services
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
340 - Law
3
616 - Diseases
3
140 - Specific philosophical schools
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
540 - Chemistry & allied sciences
2
576 - Genetics & evolution
2
615 - Pharmacology & therapeutics
2
302 - Social interaction
1
304 - Factors affecting social behavior
1
305 - Social groups
1
306 - Culture & institutions
1
333 - Economics of land & energy
1
365 - Penal & related institutions
1
574 - [Unassigned]
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1