Classification
140 - Specific philosophical schools
581 - Specific topics in natural history
600 - Technology
610 - Medicine & health
363 - Other social problems & services
3
630 - Agriculture & related technologies
3
330 - Economics
2
333 - Economics of land & energy
2
580 - Plants (Botany)
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
340 - Law
1
350 - Public administration & military science
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
658 - General management
1
800 - Literature & rhetoric
1
900 - History & geography
1