Mechanization in the Army. LTC Adna R. Chaffee.
Mechanized Cavalry. BG Adna R. Chaffee.
Statement of Major General Adna R. Chaffee, the Commanding General of the Armored Force, United States Army. MG Adna R. Chaffee.
Infantry Journal, 1920. Infantry Journal, Vol. XVII, issue 5, 1920. Includes an article on Tanks by Captain D. D. Eisenhower.
The Motor-Mechanization Program of the Red Army during the Interwar Years. COL David M. Glantz.
Adaptation to Change: U.S. Army Cavalry Doctrine and Mechanization, 1938-1945. LTC Dean A. Nowowiejski.
The Evolution of the Tank in the US Army, 1919-1940. LTC Kenneth M. Steadman.
Greasy Automatons and The Horsey Set: The U.S. Cavalry and Mechanization, 1928 - 1940. CPT Vincent J. Tedesco III.