Classification
000 - Computer science, information & general works
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
600 - Technology
1
610 - Medicine & health
612 - Human physiology
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1