Classification
630 - Agriculture & related technologies
000 - Computer science, information & general works
3
363 - Other social problems & services
3
330 - Economics
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
320 - Political science
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
612 - Human physiology
1
620 - Engineering & allied operations
1