11 books • 3 series
Standard Catalog of Farm Tractors 1890-1980 (Standard Catalog)
Encyclopedia of American Farms Implements
Encyclopedia of American Farm Implements & Antiques
Encyclopedia of Antique American Clocks
Encyclopedia of American Farm Tractors (Crestline)
150 Years of J.I. Case (Crestline)
Great American Farm Tractor
American Gasoline Engines Since 1872 (Cestline)
The Allis-Chalmers Story (Crestline)
Nebraska Tractor Tests Since 1920 (Crestline)
150 Years of International Harvester