Classification
140 - Specific philosophical schools
330 - Economics
333 - Economics of land & energy
3
363 - Other social problems & services
3
580 - Plants (Botany)
3
700 - The arts; fine & decorative arts
3
610 - Medicine & health
2
612 - Human physiology
2
000 - Computer science, information & general works
1
600 - Technology
1