His publications include:
1987 American Indian Holocaust and Survival (University of Oklahoma Press). 1990 The Cherokees: A Population History (University of Nebraska Press). 1998 Editor. Studying Native America: Problems and Prospects (University of Wisconsin Press).
2007 Company-editor with Candace South. Greene.
The Year the Stars Fell: Lakota Winter Counts at the Smithsonian (University of Nebraska Press and the Smithsonian Institution).