Classification
632 - Plant injuries, diseases & pests
4
664 - Food technology
4
541 - Physical chemistry
2
581 - Specific topics in natural history
2
615 - Pharmacology & therapeutics
2
668 - Technology of other organic products
2
338 - Production
1
540 - Chemistry & allied sciences
1
547 - Organic chemistry
1
574 - [Unassigned]
1
613 - Personal health & safety
1
617 - Surgery & related medical specialties
1
641 - Food & drink
1
663 - Beverage technology
1