Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
42
580 - Plants (Botany)
38
000 - Computer science, information & general works
33
140 - Specific philosophical schools
24
540 - Chemistry & allied sciences
21
615 - Pharmacology & therapeutics
19
600 - Technology
16
333 - Economics of land & energy
15
304 - Factors affecting social behavior
13
363 - Other social problems & services
12
330 - Economics
7
380 - Commerce, communications & transportation
6
500 - Natural sciences & mathematics
6
581 - Specific topics in natural history
6
800 - Literature & rhetoric
5
576 - Genetics & evolution
4
620 - Engineering & allied operations
4
900 - History & geography
3
414 - Phonology & phonetics
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
170 - Ethics
1
320 - Political science
1
340 - Law
1
520 - Astronomy & allied sciences
1
612 - Human physiology
1
791 - Public performances
1