Oliver Tractors Jeff Hackett and Sherry Schaefer. The 1929 merger of American Seeding Machine, Hart-Parr Tractor, Nichols and Shepard, and Oliver Chilled Plow Works was largely a response to the market domination of John Deere and International Harvestor, but its complementary product lines proved a successful recipe until Oliver's buy-out in 1960s by the White Motor Corporation. This all-color history begins with a brief overview of the four companies and its products prior to the merger. It then examines a gallery of great tractors produced by Oliver under the Oliver, Oliver Hart-Parr, Cockshutt. Paperback 96 Pages Price $26.99 Cockshutt: The Comlete Story There is a lot more to a Cockshutt tractors than you imagined! This work fills a long-standing need for background information, technical data, and photographs of tractors produced by Cockshutt Farm Equipment. Price $17.99