Classification
000 - Computer science, information & general works
2
330 - Economics
2
333 - Economics of land & energy
2
363 - Other social problems & services
551 - Geology, hydrology & meteorology
600 - Technology
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
610 - Medicine & health
1