The National Geographic Magazine, 109, Number 2 (February 1956).
Soft Cover, Washington: National Geographic Society, 1956. Fair with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1956. Fair with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1952. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1957. 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.