Classification
600 - Technology
8
700 - The arts; fine & decorative arts
7
620 - Engineering & allied operations
6
333 - Economics of land & energy
5
580 - Plants (Botany)
4
000 - Computer science, information & general works
3
330 - Economics
3
610 - Medicine & health
2
630 - Agriculture & related technologies
2
140 - Specific philosophical schools
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
650 - Management & auxiliary services
1
900 - History & geography
1