Classification
000 - Computer science, information & general works
615 - Pharmacology & therapeutics
610 - Medicine & health
14
540 - Chemistry & allied sciences
10
700 - The arts; fine & decorative arts
9
580 - Plants (Botany)
5
600 - Technology
5
140 - Specific philosophical schools
3
330 - Economics
3
333 - Economics of land & energy
3
500 - Natural sciences & mathematics
3
620 - Engineering & allied operations
3
612 - Human physiology
2
320 - Political science
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
800 - Literature & rhetoric
1
900 - History & geography
1