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Proceedings of the seventeenth annual meeting of the Association of Economic Entomologists
20 years' progress of Au Sable Forest Products Association
Processing, storage, and selected storage service costs for Maryland tobacco in commercial facilities, 1966-67 and estimated 1968
The Laws in force against injurious insects and foul brood in the United States
Tobacco in Ontario, Canada
Summary of activities fiscal year 1964, Plant Quarantine Division
Regulations governing inspection and certification of processed fruits and vegetables and related products
Innovations in apple handling methods and equipment
USDA-ARS action plan for fruit flies research
Suggestions for the collection of range plant specimens on National forests