Scientific American, Volume CXVIII, Number 3 (January 19, 1918).
Ephemera, New York: Munn & Co., Inc., Publishers, 1918. Poor with no dust jacket.
Ephemera, New York: Munn & Co., Inc., Publishers, 1918. Poor with no dust jacket.
Softcover, Newport, R.I. Naval War College, 2002. Very Good with No dust jacket as issued.
Illustrated by C. LeRoy Baldridge. Ephemera, New York: Leslie's Illustrated Weekly Newspaper, 1918. Good with no dust jacket.
Softcover, Torrance, California, U.S.A. American Aviation Historical Society, 1972. Good with no dust jacket.