- Or Go Down in Flame: A Navigator's Death over Schweinfurt
- Early Fur Trade on the Northern Plains: Canadian Traders Among the Mandan and Hidatsa Indians, 1738-1818
- Fort Clark and Its Indian Neighbors
- Prologue to Lewis and Clark: The Mackay and Evans Expedition
- A Stylistic and Historical Analysis of Shoulder Patterns on Plains Indian Pottery: American Antiquity V28, No. 1, July, 1962