The Big Book of Massey Tractors - The Complete History of Massey-Harris and Massey Ferguson Tractors. This is the first comprehensive history of one of the largest farm tractor manufacturers of all time: Massey-Harris-Ferguson. The merged company remains one of the world's largest farm-equipment manufacturers, with tractors sold around the globe. Besides covering the machines themselves, "The Big Book of Massey Tractors" also details the history of Canadian agriculture. Collectibles, sales memorabilia, ads from old farm magazines, and historic black-and-white photos complete this look at this famous manufacturer.