The following publications contain information about Peter Thompson:

Article: "Custer's Last Fight" • Lead Daily Call • Lead, South Dakota • March 2, 1914 • Page 5.

Article: "Noted Army Officers Coming" • Lead Daily Call • Lead, South Dakota • June 1, 1914 • Page 7.

Article: "Custer Battle Fought Again with Veterans of Fray on Sidelines" • The Pierce County (North Dakota) Tribune • July 1, 1926 • Page 1.

Article: "Mystery Along Rosebud Creek" by Douglas W. Ellison • On August 3, 1876, troops, including Little Bighorn survivors, made a startling discovery, the bodies of a cavalryman and his horse. • Greasy Grass, Annual of the Custer Battlefield Historical & Museum Association, Vol. 17, May 2001.

Article: "First Sergeant Lemuel Edwin Bobo: Company C, 7th U.S. Cavalry" by Timothy E. Bradshaw, Jr. • Greasy Grass, Annual of the Custer Battlefield Historical & Museum Association • Vol. 28 • May 2012.

Article: "Countian earned Medal of Honor at Battle of the Little Bighorn" by Bob Fulton • The Indiana Gazette • June 28, 2020 • Accessed June 28, 2020.