The National Geographic Magazine, Volume 100, Number 3 (September 1951).
Soft Cover, Washington: National Geographic Society, 1951. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1951. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1944. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1957. Good with no dust jacket.