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