Classification
363 - Other social problems & services
610 - Medicine & health
4
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
580 - Plants (Botany)
2
800 - Literature & rhetoric
2
333 - Economics of land & energy
1
500 - Natural sciences & mathematics
1
600 - Technology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1