Classification
610 - Medicine & health
95
700 - The arts; fine & decorative arts
63
000 - Computer science, information & general works
32
333 - Economics of land & energy
32
600 - Technology
29
140 - Specific philosophical schools
27
620 - Engineering & allied operations
19
900 - History & geography
18
612 - Human physiology
17
100 - Philosophy & psychology
16
500 - Natural sciences & mathematics
15
580 - Plants (Botany)
13
380 - Commerce, communications & transportation
12
540 - Chemistry & allied sciences
12
363 - Other social problems & services
9
330 - Economics
6
370 - Education
5
400 - Language
5
576 - Genetics & evolution
5
615 - Pharmacology & therapeutics
5
414 - Phonology & phonetics
4
530 - Physics
3
780 - Music
3
120 - Epistemology, causation & humankind
2
304 - Factors affecting social behavior
2
320 - Political science
2
340 - Law
2
581 - Specific topics in natural history
2
658 - General management
2
720 - Architecture
2
770 - Photography, photographs & computer art
2
170 - Ethics
1