Classification
000 - Computer science, information & general works
580 - Plants (Botany)
800 - Literature & rhetoric
4
610 - Medicine & health
3
630 - Agriculture & related technologies
3
363 - Other social problems & services
2
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
700 - The arts; fine & decorative arts
2
600 - Technology
1