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