[en] [Gutenberg 41177] • John Ermine of the Yellowstone American Cowboy Books
[en] [Gutenberg 46798] • The Pioneer Boys of the Yellowstone; or, Lost in the Land of Wonders Independently Published
[en] [Gutenberg 40587] • Yellowstone Nights Indianapolis, Bobbs-Merrill
[en] [Gutenberg 16793] • The River and I Bison Books
[en] [Gutenberg 40824] • Another Summer: The Yellowstone Park and Alaska [New York] : Printed for private distribution
[en] [Gutenberg 60574] • The Geologic Story of Yellowstone National Park Forgotten Books
[en] [Gutenberg 60929] • Our National Parks Ross & Perry
[en] [Gutenberg 50381] • Colter's Hell and Jackson's Hole / The Fur Trappers' Exploration of the Yellowstone and Grand Teton Park Region Yellowstone Library and Museum Association
[en] [Gutenberg 61114] • Westy Martin in the Yellowstone Grosset & Dunlap
[en] [Gutenberg 53422] • Free Trapper's Pass; or, the Gold-seeker's Daughter! London : James Jackson
[en] [Gutenberg 30924] • Thirty-Seven Days of Peril / from Scribner's Monthly Vol III Nov. 1871 University of Utah Press
[en] [Gutenberg 42112] • The Yellowstone National Park: Historical and Descriptive University of Oklahoma Press
[en] [Gutenberg 46305] • Yellowstone via Gallatin Gateway Montana Project Gutenberg