1. The Vision for Space Exploration. National Aeronautics and Space Administration. February 2004.
2. News Release: JFK Library Releases White House Tape on Space Race. John F. Kennedy Library and Museum, 22 August 2001, http://www.jfklibrary.org/pr_jfk_tapes_tape63.html.
3. Chaikin A. White House Tapes Shed Light on JFK Space Race Legend. Executive Editor, Space and Science; 22 August 2001, http://www.space.com/news/kennedy_tapes_010822.html.
4. Countdown: a history of space flight;Heppenheimer,1997
5. Anderson Jr FW. Orders of magnitude: a history of NACA and NASA 1915–1980. The NASA History Series (NASA SP-4403), 1981.