Nathaniel Pitt Langford – författare

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

Diary of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870

Discovery of Yellowstone Park

Discovery of Yellowstone Park

Vigilante Days and Ways

The Pioneers of The Rockies: The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming; Volume 1

Vigilante Days and Ways

The Pioneers of The Rockies: The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming; Volume 1

Folsom-cook Exploration Of The Upper Yellowstone In The Year 1869

Vigilante Days and Ways

The Pioneers of The Rockies: The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming; Volume 2

Vigilante Days and Ways

The Pioneers of The Rockies: The Makers and Making of Montana, Idaho, Oregon, Washington, and Wyoming; Volume 2

Wonders Of The Yellowstone

Vigilante Days and Ways

The Pioneers of the Rockies; the Makers and Making of Montana and Idaho

Wonders Of The Yellowstone

Vigilante Days and Ways

The Pioneers of the Rockies; the Makers and Making of Montana and Idaho

Vigilante Days and Ways

Vigilante Days and Ways

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 and the Makers and Making of Montana and Idaho

Diary of the Washburn Expedition to the Yellowstone and Firehole Rivers, in the Year 1870 (1905)

Diary of the Washburn Expedition to the Yellowstone and Firehole Rivers, in the Year 1870 (1905)

Vigilante Days and Ways: The Pioneers of the Rockies

Folsom-Cook Exploration of the Upper Yellowstone in the year 1869

Discovery of Yellowstone Park

Discovery of Yellowstone Park