The National Geographic Magazine, Volume 60, Number 3 (September 1931).
Softcover, Washington, D.C. National Geographic Society, 1931. Good with No dust jacket as issued.
Softcover, Washington, D.C. National Geographic Society, 1931. Good with No dust jacket as issued.
Soft Cover, Washington: National Geographic Society, 1950. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1920. Good with no dust jacket.