Wright, Robert K. Jr.; MacGregor, Morris J. Jr. (1987). Soldier-Statesmen of the Constitution. Washington, D.C.: U.S. Army Center of Military History. p. 166. LCCN87001353. Archived from the original on January 22, 2021. Retrieved July 28, 2014.
Wright, Robert K. Jr.; MacGregor, Morris J. Jr. (1987). Soldier-Statesmen of the Constitution. Washington, D.C.: U.S. Army Center of Military History. p. 166. LCCN87001353. Archived from the original on January 22, 2021. Retrieved July 28, 2014.
Wright, Robert K. Jr.; MacGregor, Morris J. Jr. (1987). Soldier-Statesmen of the Constitution. Washington, D.C.: U.S. Army Center of Military History. p. 166. LCCN87001353. Archived from the original on January 22, 2021. Retrieved July 28, 2014.