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Lon A. (Lon Adrian) B. 1880 Hawkins

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Grape-Spraying Experiments in Michigan in 1909; Volume No. 65
Some Factors Influencing the Efficiency of Bordeaux Mixture - Primary Source Edition
Some Factors Influencing the Efficiency of Bordeaux Mixture
Some Factors Influencing the Efficiency of Bordeaux Mixture; Volume No. 265
Some factors influencing the efficiency of Bordeaux mixture
The Control of Black-Rot of the Grape; Volume No. 155