NASA Historical Data Book 1958-1968 Volume I Resources. Washington DC, 1976.
NASA Historical Data Book Volume II Programs and Projects 1958-1968. Washington DC, 1988.
NASA Historical Data Book Volume III Programs and Projects 1969-1978. Washington DC, 1988. Online version.
Darling, David. The Complete Book of Spaceflight, From Apollo 1 to Zero Gravity. New Jersey: Wiley, 2003.
Dickson, Paul. Sputnik The Shock of the Century. New York: Berkley Books, 2001.
Harford, James. Korolev, How One Man Masterminded the Soviet Drive to Beat America to the Moon. New York: Wiley, 1997.
Lindsay, Hamish. Tracking Apollo to the Moon. Singapore: Springer, 2001.
Shayler, David J. Gemini Steps to the Moon. Chichester, UK: Springer-Praxis, 2001.
Siddiqi, Asif A. Sputnik and the Soviet Space Challenge. Gainesville, FL: University Press of Florida, 2003.
Siddiqi, Asif A. The Soviet Space Race with Apollo. Gainesville, FL: University Press of Florida, 2003.
Rocket and Space Corporation Energia, The Legacy of S.P. Korolev. Ontario: Apogee Books, 2001.