Nature

The Rocky Mountain Wonderland

A Pictorial Guide to Mesa Verde National Park

Wild Earth

The Fall of the Year

The Life of the Fly; With Which are Interspersed Some Chapters of Autobiography

The life story of a squirrel

Above the Snow Line: Mountaineering Sketches Between 1870 and 1880

Third State of the Union Address

Fourth State of the Union Address

The Folk-lore of Plants

Report to the President by the Indian Peace Commission

Third State of the Union Address

Federation of Malaya Agreement

Animal Life in Field and Garden

Plet: A Christmas Tale of the Wasatch

The Mason-Wasps

The spirit of place, and other essays

Wakulla

Sea and River-side Rambles in Victoria

American Volunteer Forces in the War with Spain