The National Geographic Magazine, Volume 90, Number 6 (December, 1946).
Soft Cover, Washington: National Geographic Society, 1946. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1946. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1944. Very Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1949. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1946. Fair in No Dust Jacket dust jacket.
Softcover, Washington, D.C. National Geographic Society, 1935. Good in No Dust Jacket dust jacket.
Softcover, Washington, D.C. National Geographic Society, 1940. Very Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1932. Good in No Dust Jacket dust jacket.
Softcover, Washington, D.C. National Geographic Society, 1938. Good in No Dust Jacket dust jacket.
Softcover, Washington, D.C. National Geographic Society, 1932. Good in No DJ As Issued dust jacket.
Soft Cover, Washington: National Geographic Society, 1932. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1949. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1946. Good in No Dust Jacket dust jacket.
Soft Cover, Washington: National Geographic Society, 1948. Very Good in No Dust Jacket dust jacket.
Hard Cover, Chicago, Illinois: Edwin Allen Co., 1941. Good in No Dust Jacket dust jacket.