Classification
580 - Plants (Botany)
615 - Pharmacology & therapeutics
610 - Medicine & health
6
700 - The arts; fine & decorative arts
6
000 - Computer science, information & general works
3
140 - Specific philosophical schools
2
380 - Commerce, communications & transportation
2
540 - Chemistry & allied sciences
2
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1