Classification
700 - The arts; fine & decorative arts
29
600 - Technology
23
620 - Engineering & allied operations
15
610 - Medicine & health
14
333 - Economics of land & energy
11
900 - History & geography
11
000 - Computer science, information & general works
9
540 - Chemistry & allied sciences
8
363 - Other social problems & services
6
530 - Physics
5
580 - Plants (Botany)
3
140 - Specific philosophical schools
2
340 - Law
2
380 - Commerce, communications & transportation
2
615 - Pharmacology & therapeutics
2
800 - Literature & rhetoric
2
304 - Factors affecting social behavior
1
414 - Phonology & phonetics
1
541 - Physical chemistry
1
612 - Human physiology
1