Classification
612 - Human physiology
610 - Medicine & health
29
700 - The arts; fine & decorative arts
21
333 - Economics of land & energy
9
000 - Computer science, information & general works
8
500 - Natural sciences & mathematics
7
600 - Technology
7
140 - Specific philosophical schools
6
580 - Plants (Botany)
5
380 - Commerce, communications & transportation
4
620 - Engineering & allied operations
4
363 - Other social problems & services
3
540 - Chemistry & allied sciences
2
900 - History & geography
2
100 - Philosophy & psychology
1
304 - Factors affecting social behavior
1
330 - Economics
1
370 - Education
1
414 - Phonology & phonetics
1
530 - Physics
1
576 - Genetics & evolution
1
780 - Music
1