Classification
140 - Specific philosophical schools
2
297 - Islam, Babism & Bahai Faith
333 - Economics of land & energy
2
600 - Technology
200 - Religion
1
320 - Political science
1
330 - Economics
1
363 - Other social problems & services
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1
900 - History & geography
1