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

Rocket Science 101
http://www.nasa.gov/audience/foreducators/rocketry/home/index.html

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

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