Classification
000 - Computer science, information & general works
3
333 - Economics of land & energy
1
363 - Other social problems & services
1
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
1
580 - Plants (Botany)
2
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1
658 - General management
1
700 - The arts; fine & decorative arts
2
720 - Architecture
1
900 - History & geography
1