Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
18
000 - Computer science, information & general works
9
363 - Other social problems & services
9
600 - Technology
7
620 - Engineering & allied operations
6
140 - Specific philosophical schools
5
333 - Economics of land & energy
5
380 - Commerce, communications & transportation
5
580 - Plants (Botany)
4
414 - Phonology & phonetics
2
576 - Genetics & evolution
2
720 - Architecture
2
900 - History & geography
2
304 - Factors affecting social behavior
1
500 - Natural sciences & mathematics
1
615 - Pharmacology & therapeutics
1