Classification
610 - Medicine & health
132
000 - Computer science, information & general works
72
700 - The arts; fine & decorative arts
71
570 - Life sciences; biology
59
333 - Economics of land & energy
57
580 - Plants (Botany)
40
140 - Specific philosophical schools
39
363 - Other social problems & services
30
540 - Chemistry & allied sciences
29
576 - Genetics & evolution
27
380 - Commerce, communications & transportation
26
600 - Technology
21
620 - Engineering & allied operations
17
304 - Factors affecting social behavior
16
615 - Pharmacology & therapeutics
11
612 - Human physiology
10
330 - Economics
6
414 - Phonology & phonetics
6
500 - Natural sciences & mathematics
6
581 - Specific topics in natural history
5
900 - History & geography
5
551 - Geology, hydrology & meteorology
4
300 - Social sciences
3
800 - Literature & rhetoric
3
100 - Philosophy & psychology
2
530 - Physics
2
547 - Organic chemistry
2
630 - Agriculture & related technologies
2
170 - Ethics
1
400 - Language
1
658 - General management
1
720 - Architecture
1