Ethnohistorical consultant at the Newberry Library on an Indians of the Midwest project, D'Arcy McNickle Center for American Indian History in Chicago, and Professor Emerita at the University of Oklahoma, Norman.

Author of Arapahoe Politics; Symbols of Crisis and Authority 1851-1878 (1982), Shared Symbols, Contested Meanings; Gros Ventre Culture and History, 1778-1984 (1987), Tribal Sovereignty and the Historical Imagination: Cheyenne-Arapaho Politics (2002), and the Columbia Guide to American Indians of the Great Plains (2003). Her most recent book is Wives and Husbands: Gender and Age in Southern Arapaho History (University of Oklahoma Press, 2010).

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