Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
3
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
580 - Plants (Botany)
2
600 - Technology
2
000 - Computer science, information & general works
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
900 - History & geography
1