- Libro electrónicoA Guide to Pruning Fruit Trees for a Productive OrchardFred Coleman Sears
- Libro electrónicoEstablishing Your Orchard - Notes on Ploughing, Planning, and Planting - An Article with Study QuestionsFred Coleman Sears
- Libro electrónicoCover Crops in the Apple, Peach and Fruit Orchard - Selected ArticlesFrank Albert Waugh