Classification
610 - Medicine & health
98
700 - The arts; fine & decorative arts
49
000 - Computer science, information & general works
37
333 - Economics of land & energy
27
363 - Other social problems & services
22
580 - Plants (Botany)
22
140 - Specific philosophical schools
21
570 - Life sciences; biology
17
380 - Commerce, communications & transportation
15
600 - Technology
14
540 - Chemistry & allied sciences
12
620 - Engineering & allied operations
11
500 - Natural sciences & mathematics
9
576 - Genetics & evolution
8
304 - Factors affecting social behavior
6
612 - Human physiology
5
615 - Pharmacology & therapeutics
5
100 - Philosophy & psychology
4
414 - Phonology & phonetics
3
581 - Specific topics in natural history
3
330 - Economics
1
370 - Education
1
530 - Physics
1
630 - Agriculture & related technologies
1
900 - History & geography
1