Land of the Blended Heart: The American Revolution on the Frontier (forthcoming)
Lewis and Clark: Across the Divide (Smithsonian Books, 2003)
The Grand Portage Story (MHS Press, 1992)
The Way to Independence: Memories of a Hidatsa Indian Family 1840-1920, with Mary Jane Schneider (MHS Press, 1987)
Where Two Worlds Meet: The Great Lakes Fur Trade (Minnesota Historical Society, 1982)
The Red River Trails, with Rhoda Gilman and Deborah M. Stultz (MHS Press, 1978)
The Northern Expeditions of Stephen H. Long, with Lucile M. Kane and June D. Holmquist (MHS Press, 1978)