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