Robert Marshall Utley Related books Cavalier in Buckskin: George Armstrong Custer and the Western Military Frontier (Oklahoma Western Biographies, Vol 1) Univ of Oklahoma Pr • 1991 Frontier Regulars MacMillan Publishing Company • 1974 Frontiersmen in Blue: The United States Army and the Indian, 1848-1865 Univ of Nebraska Pr • 1991 The United States Army and the Indian, 1866-1891 [Paperback Univ of Nebraska Pr • 1984