- First Across the Continent: The Story of the Exploring Expedition of Lewis and Clark in 1804-5-6
- History of the Expedition under the Command of Captains Lewis and Clark, Vol. 1.: To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6.
- Pathfinders of the West: Being the Thrilling Story of the Adventures of the Men Who: Discovered the Great Northwest: Radisson, La Vérendrye,: Lewis and Clark
- The Journals of Lewis and Clark, 1804-1806