1993. National Geographic Society (U.S.). Cartographic Division. Includes tex and chronological chart. Includes text, ancillary maps of "Ice age vegetation 18,000 years BP" and "Greenhouse-effect vegetation zones... Washington, D.C. : National Geographic Society, 1993.
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1929. National Geographic Society (U.S.). Cartographic Division. Issued with the National geographic magazine, volume 56, no. 6, Dec. 1929.; Inset: Airways. 83 x 96 centimeters Scale 1:6,000,000; 94.7 miles to 1 ... (Washington, ), 1929.
1914. National Geographic Society (U.S.). Cartographic Division. Inset: Western extension of Aleutian Islands; l:7,500,000.; Supplement to February, 1914 issue of The National Geographic Magazine.; "The Matthews-... The Society (Washington, D.C).
1918. National Geographic Society (U.S.). Cartographic Division. Detached from: National Geographic, May 1918.; Indexed by: Index to the map of the Western Theatre of War.; Inset: "Showing relation of the Western... The Society (Washington).
1924. National Geographic Society (U.S.). Cartographic Division. Issued with the National Geographic Magazine, volume 45, no 5, May 1924.; Insets: The Aleutian Islands.--Eastern part of the West Indies. 94 x 69 c... (Washington, ).
1922. National Geographic Society (U.S.). Cartographic Division. Relief shown by bathymetry, spot heights and gradient tints.; Shows steamship routes and U.S. consular offices and agencies.; Insets: Guantanamo Ba... The Society (Washington, D.C), 1922.
1922. National Geographic Society (U.S.). Cartographic Division. Scale 1:5,500,000 ; Lambert conformal conic projection with two parallels Insets: Guantanamo Bay, Cuba; ca. 1:400,000.--Porto Rico and the Virgin I... The Society.
1923. National Geographic Society (U.S.). Cartographic Division. Relief shown by gradient tints.; "Engraved and printed by Redfield-Kendrick-Odell Co., Inc., New York."; Insets: Seattle.--Portland.--San Francisco... The Society (Washington, D.C).