National Geographic Magazine, Volume 110, Number 3 (September, 1956).
Soft Cover, Washington: National Geographic Society, 1956. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1956. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1958. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1958. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1957. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1961. Good with no dust jacket.