Classification
610 - Medicine & health
4
000 - Computer science, information & general works
3
580 - Plants (Botany)
3
380 - Commerce, communications & transportation
2
612 - Human physiology
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
615 - Pharmacology & therapeutics
1