^Beyer, Walter F. and Oscar Frederick Keydel, ed. Deeds of Valor: From Records in the Archives of the United States Government; how American Heroes Won the Medal of Honor; History of Our Recent Wars and Explorations, from Personal Reminiscences and Records of Officers and Enlisted Men who Were Rewarded by Congress for Most Conspicuous Acts of Bravery on the Battle-field, on the High Seas and in Arctic Explorations. Vol. 2. Detroit: Perrien-Keydel Company, 1906. (pg. 233)
^Senate Committee on Veterans Affairs. Medal of Honor recipients, 1863-1978, 96th Cong., 1st sess. Washington, DC: US Government Printing Office, 1979. (pg. 1012)
^Hannings, Bud. A Portrait of the Stars and Stripes. Glenside, Pennsylvania: Seniram Publishing, 1988. (pg. 296) ISBN0-922564-00-0
^O'Neal, Bill. Fighting Men of the Indian Wars: A Biographical Encyclopedia of the Mountain Men, Soldiers, Cowboys, and Pioneers Who Took Up Arms During America's Westward Expansion. Stillwater, Oklahoma: Barbed Wire Press, 1991. (pg. 31) ISBN0-935269-07-X
^Sterner, C. Douglas (1999). "MOH Citation for Denis Byrne". MOH Recipients: Indian Campaigns. HomeofHeroes.com. Retrieved June 23, 2010.