- Электронная книгаJethro Wood, Inventor of the Modern Plow. A Brief Account of his Life, Services, and Trials, Together with Facts Subsequent to his Death, and Incident to his Great InventFrank Gilbert
- Электронная книгаJethro Wood, Inventor of the Modern Plow. A Brief Account of his Life, Services, and Trials, Together with Facts Subsequent to his Death, and Incident to his Great InventFrank Gilbert