Classification
140 - Specific philosophical schools
304 - Factors affecting social behavior
363 - Other social problems & services
580 - Plants (Botany)
610 - Medicine & health
000 - Computer science, information & general works
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2