- Early Western Travels, 1748-1846: A Series of Annotated Reprints of Some of the Best and Rarest Contemporary Volumes of Travel: Descriptive of the Aborigines and Social and Economic Conditions in the
- A Brief History Of Rocky Mountain Exploration With Especial Reference To The Expedition Of Lewis And Clark
- The Jesuit Relations and Allied Documents: Travels and Explorations of the Jesuit Missionaries in New France, 1610-1791; the Original French, Latin, and Italian Texts, With English Translations and No
- The Story of Lewis and Clark's Journals
- On the Storied Ohio; an Historical Pilgrimage of a Thousand Miles in a Skiff, From Redstone to Cairo