Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
61
000 - Computer science, information & general works
46
580 - Plants (Botany)
40
540 - Chemistry & allied sciences
26
140 - Specific philosophical schools
23
333 - Economics of land & energy
19
600 - Technology
19
363 - Other social problems & services
18
620 - Engineering & allied operations
15
380 - Commerce, communications & transportation
11
414 - Phonology & phonetics
10
615 - Pharmacology & therapeutics
10
581 - Specific topics in natural history
9
900 - History & geography
8
330 - Economics
7
551 - Geology, hydrology & meteorology
7
576 - Genetics & evolution
7
612 - Human physiology
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
5
630 - Agriculture & related technologies
5
800 - Literature & rhetoric
5
300 - Social sciences
3
720 - Architecture
2
340 - Law
1
658 - General management
1