Classification
615 - Pharmacology & therapeutics
10
664 - Food technology
4
363 - Other social problems & services
2
612 - Human physiology
2
613 - Personal health & safety
2
632 - Plant injuries, diseases & pests
2
334 - Cooperatives
1
338 - Production
1
581 - Specific topics in natural history
1
616 - Diseases
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
631 - Techniques, equipment & materials
1
668 - Technology of other organic products
1