Classification
140 - Specific philosophical schools
610 - Medicine & health
24
000 - Computer science, information & general works
18
700 - The arts; fine & decorative arts
15
580 - Plants (Botany)
12
304 - Factors affecting social behavior
9
540 - Chemistry & allied sciences
8
363 - Other social problems & services
6
333 - Economics of land & energy
5
330 - Economics
4
600 - Technology
4
800 - Literature & rhetoric
4
615 - Pharmacology & therapeutics
3
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
170 - Ethics
1
340 - Law
1
414 - Phonology & phonetics
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
900 - History & geography
1