Classification
363 - Other social problems & services
600 - Technology
540 - Chemistry & allied sciences
3
620 - Engineering & allied operations
3
000 - Computer science, information & general works
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
333 - Economics of land & energy
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
612 - Human physiology
1