Stubbs, Mary Lee; Connor, Stanley Russell (1969). Army Lineage Series: Armor-Cavalry. Vol. Part I: Regular Army and Army Reserve. Washington, DC: Office of the Chief of Military History. pp. 52–53. Archived from the original on 13 December 2007. Retrieved 3 June 2010.
Stubbs, Mary Lee; Connor, Stanley Russell (1969). Army Lineage Series: Armor-Cavalry. Vol. Part I: Regular Army and Army Reserve. Washington, DC: Office of the Chief of Military History. pp. 52–53. Archived from the original on 13 December 2007. Retrieved 3 June 2010.