Castles and towers of the Hovenweep.
The Railroad Red Book, vol. xxxv, no. 2, pp. 11-14, Denver, 1918.
An appreciation of Mesa Verde National Park. [Introduction to] Mesa Verde National Park, Colorado.
United States Railroad Administration, National Park Series. [Chicago, 1919.]
Prehistoric villages, castles, and towers of southwestern Colorado.
Bull. 70, Bur. Amer. Ethn., Washington, 1919.
Designs on prehistoric Hopi pottery.
Thirty-third Ann. Rept. Bur. Amer. Ethn., pp. 207-284, Washington, 1919.
Prehistoric island culture areas of America.
Thirty-fourth Ann. Rept. Bur. Amer. Ethn., Washington, ——. [In press.]