Book excerpt: This well researched, all-color reference spans some of the most developmentally significant years of John Deere production history. Listings for each model produced between 1917 and 1972 include features, history, original price, variations of the model, Nebraska Test data and serial numbers. Current collector pricing information as well as two or more large color photographs and 3-4 detail photos are provided for each listing. Enthusiasts and collectors of John Deere tractors will enjoy this informative guide's outline of the company, which includes historical data as well as photos. This resource guide also features information on books, magazines, web sites, museums, clubs, dealers and other sources for information on John Deere tractors.