Classification
333 - Economics of land & energy
610 - Medicine & health
8
612 - Human physiology
700 - The arts; fine & decorative arts
5
000 - Computer science, information & general works
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
330 - Economics
2
576 - Genetics & evolution
2
304 - Factors affecting social behavior
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
580 - Plants (Botany)
1