In researching and writing this novel, the author gratefully acknowledges valuable insights and information gained from the following works:


Charles L. Blockson. The Underground Railroad: Dramatic Firsthand Accounts of Daring Escapes to Freedom (1987).
John G. Bourke. On the Border with Crook (1891).
W. P. Clark. The Indian Sign Language, with Brief Explanatory Notes of the Gestures Taught Deaf-Mutes in Our Institutions for Their Instruction, and a Description of Some of the Peculiar Laws, Customs, Myths, Superstitions, Ways of Living, Code of Peace and War Signals of Our Aborigines (1885).
William Cronon. Nature’s Metropolis: Chicago and the Great West (1991).
Thomas W. Dunlay. Wolves for the Blue Soldiers: Indian Scouts and Auxiliaries with the United States Army, 1860—90 (1982).
Jeffrey L. Geller and Maxine Harris. Women of the Asylum: Voices from Behind the Walls 1840—1945 (1994).
Brigitte Georgi-Findlay. The Frontiers of Women’s Writing: Women’s Narratives and the Rhetoric of Westward Expansion (1996).
Josephine Stands In Timber Glenmore and Wayne Leman. Cheyenne Topical Dictionary (1984).
Gloria Davis Goode. “Get on Board and Tell Your Story,” from Jump Up and Say: A Collection of Black Storytelling, Linda Goss and Clay Goss (1995).
George Bird Grinnell. The Cheyenne Indians, 2 Vols. (1925).
———. The Fighting Cheyennes (1915).
———.By Cheyenne Campfires (1926).
E. Adamson Hoebel. The Cheyennes: Indians of the Great Plains (1960).
Robert H. Keller, Jr. American Protestantism and United States Indian Policy, 1869—82 (1983).
John Stands in Timber/Margot Liberty. Cheyenne Memories (1967).
Thomas B. Marquis. Wooden Leg: A Warrior Who Fought Custer (1931).
Joseph C. Porter. Paper Medicine Man: John Gregory Bourke and His American West (1986).
Peter J. Powell. Sweet Medicine: The Continuing Role of the Sacred Arrows, the Sun Dance, and the Sacred Buffalo Hat in Northern Cheyenne History, 2 vols. (1969).
Glenda Riley. Women and Indians on the Frontier, 1825—1915 (1984).
Mari Sandoz. Cheyenne Autumn (1953).
Frank N. Schubert. Outpost of the Sioux Wars: A History of Fort Robinson (1993).
R. B. Stratton. Captivity of the Oatman Girls (1875).
Robert Wooster. The Military & United States Indian Policy, 1865—1903 (1988).