ISBN 081171523X Gray, John S. Custer's Last Campaign: Mitch Boyer and the LittleBighorn Remembered. University of Nebraska Press. 1993. ISBN 978-0-8032-7040-4
historic events from 1400 to 2003" (页面存档备份,存于互联网档案馆), LittleBighornBattlefieldNationalMonument Timeline and citations, Four Directions Institute Rodney