Big Horn Expedition Under General Custer, 1876" in Contributions to the Historical Society of Montana, vol. 9. Helena, Mont.: Rocky Mountain Pub. Co., 1923. Knight, Oliver. "Mark Kellogg Telegraphed for Custer’s Rescue". North Dakota Historical Society Quarterly, vol. 27, no. 2 (Spring 1960). Saum, Lewis O. "Colonel Custer's Copperhead: The Mysterious Mark Kellogg". Montana: The Magazine of Western History, vol. 28, no. 4 (Autumn 1978). Watson, Elmo Scott. "The 'Custer Campaign Diary' of Mark Kellogg" in The Westerners Brand Book 1945–46. Chicago: The Westerners, 1947. Journalists killed while covering military conflicts American people of the Indian Wars People from Bismarck, North Dakota People from Northumberland County, Ontario Writers from La Crosse, Wisconsin 1831 births 1876 deaths Associated Press reporters Journalists killed in the United States 19th-century American journalists American male journalists Journalists from North Dakota Battle of the Little Bighorn 19th-century male writers