Cole, Hugh M. (1950). The Lorraine Campaign. Washington, DC: The Historical Division, The U.S. Army. pp. 369–379. Archived from the original on 26 December 2007.
Cole, Hugh M. (1950). The Lorraine Campaign. Washington, DC: The Historical Division, The U.S. Army. pp. Ch. 7 end notes. Archived from the original on 20 June 2008.
Cole, Hugh M. (1950). The Lorraine Campaign. Washington, DC: The Historical Division, The U.S. Army. pp. 369–379. Archived from the original on 26 December 2007.
Cole, Hugh M. (1950). The Lorraine Campaign. Washington, DC: The Historical Division, The U.S. Army. pp. Ch. 7 end notes. Archived from the original on 20 June 2008.