Classification
540 - Chemistry & allied sciences
580 - Plants (Botany)
610 - Medicine & health
5
000 - Computer science, information & general works
4
581 - Specific topics in natural history
3
612 - Human physiology
3
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
500 - Natural sciences & mathematics
2
700 - The arts; fine & decorative arts
2
330 - Economics
1
600 - Technology
1
615 - Pharmacology & therapeutics
1
900 - History & geography
1