Classification
580 - Plants (Botany)
610 - Medicine & health
700 - The arts; fine & decorative arts
28
000 - Computer science, information & general works
23
363 - Other social problems & services
20
600 - Technology
17
333 - Economics of land & energy
16
140 - Specific philosophical schools
14
620 - Engineering & allied operations
13
630 - Agriculture & related technologies
13
900 - History & geography
12
330 - Economics
10
380 - Commerce, communications & transportation
6
720 - Architecture
5
576 - Genetics & evolution
3
581 - Specific topics in natural history
3
658 - General management
3
800 - Literature & rhetoric
3
170 - Ethics
2
300 - Social sciences
2
320 - Political science
2
340 - Law
2
370 - Education
2
414 - Phonology & phonetics
2
551 - Geology, hydrology & meteorology
2
304 - Factors affecting social behavior
1
530 - Physics
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
780 - Music
1