The National Geographic Magazine, Volume 94, Number 5 (November 1949).
Soft Cover, Washington: National Geographic Society, 1949. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1949. Very Good with no dust jacket.
Ephemera, Washington, D.C. Government Printing Office, N.D. Very Good with No dust jacket as issued.
Hard Cover, New York: The Ronald Press Company, 1958. Good in Good dust jacket.
Softcover, Washington, D.C. Government Printing Office, 1928. Very Good with No dust jacket as issued.