Jethro Wood, Inventor of the Modern Plow. :
Gilbert, Frank
Jethro 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 Invent [electronic resource] / Frank Gilbert - Project Gutenberg, 2012 - Project Gutenberg 40888 .
Public domain in the USA.
Electronic text
Jethro 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 Invent [electronic resource] / Frank Gilbert - Project Gutenberg, 2012 - Project Gutenberg 40888 .
Public domain in the USA.
Electronic text