Classification
610 - Medicine & health
6
363 - Other social problems & services
2
580 - Plants (Botany)
2
140 - Specific philosophical schools
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
615 - Pharmacology & therapeutics
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1