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