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Citation
Killian, James R. "Introduction to Outer Space." Project Mercury: Man-in-space Program of the National Aeronautics and Space Administration. U.S. Government Printing Office, 1959. Originally a speech given on 26 Mar. 1958. The White House, Washington, DC, USA.
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Citation
Von Bismark, Otto. Quoted in "Aus den Erinnerungen eines russischen Publicisten. 2. Ein Stündchen beim Kanzler des norddeutschen Bundes. In: Die Gartenlaube" ["From the memories of a Russian publicist. 2. An hour with the Chancellor of the North German Confederation. In: The Gazebo.] St. Petersburgische Zeitung, 11 Aug. 1867.