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