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