Vigilante Days and Ways; The Pioneers of the Rockies (Vol 1): The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming

The Discovery of Yellowstone Park: Journal of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870

Diary of the Washburn Expedition, to the Yellowstone and Firehole Rivers: In the Year 1870 (Classic Reprint)

Vigilante Days and Ways, Vol. 1 of 2: The Pioneers of the Rockies, the Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming (Classic Reprint)

Vigilante Days and Ways, the Pioneers of the Rockies, Vol. 2 of 2: The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming (Classic Reprint)

Vigilante Days and Ways

The Discovery of Yellowstone Park

Vigilante Days and Ways: The Pioneers of the Rockies; the Makers and Making of Montana and Idaho

Vigilante Days and Ways: The Pioneers of the Rockies, the Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming

Vigilante Days and Ways: The Pioneers of the Rockies and the Makers and Making of Montana and Idaho