- Libro electrónicoAn Article about Spraying Solutions Used to Control Pests and Diseases of the Apple Tree in the PastFrank Albert Waugh
- Libro electrónicoCover Crops in the Apple, Peach and Fruit Orchard - Selected ArticlesFrank Albert Waugh
- Libro electrónicoInsect Enemies and Diseases of the Peach Tree and its Fruit with Information on Spraying Pesticides and FungicidesFrank Albert Waugh