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