The National Geographic Magazine, 107, Number 6 (June 1955).
Soft Cover, Washington: National Geographic Society, 1955. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1955. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1950. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1967. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1956. Good with no dust jacket.