Fred McTaggart received his doctorate from the University of Iowa and was a postdoctoral fellow in the Newberry Library?s Center for the History of the American Indian in Chicago.William T. Hagan is retired Professor of History at the University of Oklahoma. His numerous books on American Indian subjects include The Sac and Fox Indians; United States-Comanche Relations; Quanah Parker, Comanche Chief; and Theodore Roosevelt and Six Friends of the Indian, all published by the University of Oklahoma Press.