Mountains

The Flying Machine Boys in the Wilds The Mystery of the Andes

Then and Now or, Thirty-Six Years in the Rockies

Carlsbad Caverns National Park, New Mexico

Grit A-Plenty: A Tale of the Labrador Wild

Lassen Trails: A Brief Guide to the Trails of Lassen Volcanic National Park

The Geologic Story of Colorado National Monument

Creation of the Teton Landscape: The Geologic Story of Grand Teton National Park

Grand Teton: A Guide to Grand Teton National Park, Wyoming

Tenting To-night

Hunting in Many Lands

Beast and Man in India

On Cambrian and Cumbrian Hills: Pilgrimages to Snowdon and Scafell

The Story of the Hills: A Book About Mountains for General Readers

The Glaciers of the Alps

The Guardians of the Columbia

The Yellowstone National Park: Historical and Descriptive

Guide to Yosemite

Dog of St. Bernard and Other Stories

Krag and Johnny Bear

The Grizzly, Our Greatest Wild Animal