Classification
581 - Specific topics in natural history
000 - Computer science, information & general works
7
700 - The arts; fine & decorative arts
4
500 - Natural sciences & mathematics
3
580 - Plants (Botany)
3
304 - Factors affecting social behavior
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
600 - Technology
2
900 - History & geography
2
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1