Classification
610 - Medicine & health
4
700 - The arts; fine & decorative arts
4
363 - Other social problems & services
2
600 - Technology
2
140 - Specific philosophical schools
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
900 - History & geography
1