Poisonous Dwellers of the Desert

Rude Stone Monuments in All Countries_ Their Age and Uses

Tonto Cliff Dwellings Guide_ Tonto National Monument, Arizona 11th Edition, Revised

Through Our Unknown Southwest The Wonderland of the United States—Little Known and Unappreciated—The Home of the Cliff Dweller and the Hopi, the Forest Ranger and the Navajo,—The Lure of the Painted Desert

Rough Stone Monuments and Their Builders

Manners and Monuments of Prehistoric Peoples