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  • Gallagher, David F. (producer). "The Times Looks Back: Sputnik." The New York Times. 1997. http://www.nytimes.com/partners/aol/special/sputnik/
  • Garber, Steve. "Sputnik and the Dawn of the Space Age." NASA. Oct. 10, 2007. http://history.nasa.gov/sputnik/
  • "Sputnik." Russian Space Web. http://www.russianspaceweb.com/sputnik.html
  • "Sputnik Declassified." NOVA PBS Special. http://www.pbs.org/wgbh/nova/sputnik/