Classification
140 - Specific philosophical schools
2
000 - Computer science, information & general works
1
320 - Political science
1
333 - Economics of land & energy
1
370 - Education
1
530 - Physics
1
580 - Plants (Botany)
1
610 - Medicine & health
1
658 - General management
1
780 - Music
1
900 - History & geography
1