The Story of Man In Yellowstone

A Summer's Outing, and The Old Man's Story

Another Summer: The Yellowstone Park and Alaska

Camping & Tramping with Roosevelt

Camping with President Roosevelt

Colter's Hell and Jackson's Hole The Fur Trappers' Exploration of the Yellowstone and Grand Teton Park Region

Ferdinand Vandiveer Hayden and the Founding of the Yellowstone National Park

Het Yellowstone-Park

Maw's Vacation: The Story of a Human Being in the Yellowstone

Our National Parks

The Two Great Canyons: Excerpts From Letters Written on a Western Journey