Wernher von Braun and Frederick I. Ordway III History of Rocketry & Space Travel New York: Thomas Y. Crowell Company, 1969

Arthur C. Clarke Man and Space New York: Time Incorporated, 1966

Willy Ley Rockets Garden City, NY: Nelson Doubleday, Inc., 1965

Encyclopedia Astronautica
www.astronautix.com

National Aeronautics and Space Administration
www.nasa.gov

National Space Science Data Center
nssdc.gsfc.nasa.gov

Russian Space Web
The mission of this site is to preserve and popularize the history of space exploration and to promote the cooperation in space.
www.russianspaceweb.com

Astronauts Memorial Foundation
Honors and memorializes those astronauts who have sacrificed their lives for the nation and the space program.
amfcse.org

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