Classification
140 - Specific philosophical schools
333 - Economics of land & energy
610 - Medicine & health
9
700 - The arts; fine & decorative arts
6
380 - Commerce, communications & transportation
4
000 - Computer science, information & general works
3
304 - Factors affecting social behavior
2
580 - Plants (Botany)
2
612 - Human physiology
2
370 - Education
1
540 - Chemistry & allied sciences
1
615 - Pharmacology & therapeutics
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1