Classification
580 - Plants (Botany)
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
6
333 - Economics of land & energy
5
363 - Other social problems & services
5
600 - Technology
5
900 - History & geography
4
414 - Phonology & phonetics
3
576 - Genetics & evolution
3
610 - Medicine & health
2
000 - Computer science, information & general works
1
330 - Economics
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
630 - Agriculture & related technologies
1
658 - General management
1
720 - Architecture
1