Harold N Cones Ph.D.

• Zenith Radio, the Glory Years, 1936-1945: History and Products (Schiffer Book for Collectors)
• Zenith Radio: The Glory Years, 1936-1945: Illustrated Catalog and Database(Schiffer Book for Collectors)
• Zenith Trans-Oceanic: The Royalty of Radios
• Zenith*r Radio: The Early Years 1919-1935 (Schiffer Book for Collectors (Paperback))