Classification
000 - Computer science, information & general works
4
140 - Specific philosophical schools
3
304 - Factors affecting social behavior
1
333 - Economics of land & energy
5
363 - Other social problems & services
2
370 - Education
2
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
610 - Medicine & health
615 - Pharmacology & therapeutics
2
700 - The arts; fine & decorative arts
3