The National Geographic Magazine, Volume 100, Number 1 (July 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, 1953. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1939. Good with no dust jacket.
Illustrated by Jack Potter (Coca Cola ad on back o. Soft Cover, Washington: National Geographic Society, 1957. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1959. Good with no dust jacket.
Soft Cover, Washington, D.C. National Geographic Society, 1958. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1948. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1971. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1971. Very Good with no dust jacket.