Classification
363 - Other social problems & services
414 - Phonology & phonetics
600 - Technology
620 - Engineering & allied operations
12
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
610 - Medicine & health
4
000 - Computer science, information & general works
3
330 - Economics
2
333 - Economics of land & energy
2
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
612 - Human physiology
1
720 - Architecture
1
900 - History & geography
1