Classification
610 - Medicine & health
10
700 - The arts; fine & decorative arts
7
333 - Economics of land & energy
5
600 - Technology
5
580 - Plants (Botany)
4
615 - Pharmacology & therapeutics
4
000 - Computer science, information & general works
3
540 - Chemistry & allied sciences
2
620 - Engineering & allied operations
2
140 - Specific philosophical schools
1
330 - Economics
1
900 - History & geography
1