A 'Porsche Cars and Porsche Tractors' sales brochure, circa 1960s

Entitled 'Porsche Cars and Porsche Tractors: The Success of a Great Man and His Ideas,' this is a 1960 Porsche 66-page sales booklet. Includes a number of monochrome drawings and measures 8-1/4” x 6." The only print date is 1960.