An Article about Spraying Solutions Used to Control Pests and Diseases of the Apple Tree in the Past Frank Albert Waugh E-Book (epub)

Insect Enemies and Diseases of the Peach Tree and its Fruit with Information on Spraying Pesticides and Fungicides Frank Albert Waugh E-Book (epub)

Cover Crops in the Apple, Peach and Fruit Orchard - Selected Articles Frank Albert Waugh, Fred Coleman Sears E-Book (epub)