The National Geographic Magazine, Vol. 117, No. 1 (January, 1960).
Illustrated by H. J. Soulen, Peter V. Bianchi. Soft Cover, Washington: National Geographic Society, 1960. Good with no dust jacket.
Illustrated by H. J. Soulen, Peter V. Bianchi. Soft Cover, Washington: National Geographic Society, 1960. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1957. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1971. Very Good with no dust jacket.