- How Sputnik Changed the Course of American History
 - Includes pictures and background on the Sputnik programme. - Sputnik
- A look back at Sputnik, the first artificial satellite, forty years later. Reprinted articles from the New York Times.
- Sputnik and the Dawn of the Space Age
- History, chronology, biographies, documents, photos, and more, from NASA.
- Sputnik Declassified
- NOVA probes the prehistory of the Space Age, examining what makes Earth orbit so difficult to achieve; why the superpower rivalry in the wake of World War II made spaceflight attainable for the first time in history; and how a worldwide civilian science effort called the International Geophysical Year served as the occasion for both Sputnik I and the American response.
- Sputnik Program - Wikipedia
- Article about the Sputnik programme, a series of unmanned space missions launched by the Soviet Union in late 1957 to demonstrate the viability of artificial satellites for exploring the upper atmosphere.
- Sputnik: 50th Anniversary for the St Joe's High Radio Club
- Looks back at how St Joe's High School Radio Club, W8KTZ, tracked the first man-made space satellites: Sputnik and Sputnik-2.
- Sputnik: The Shock of the Century
- By Paul Dickson. Chronicle of the events and developments leading up to and emanating from Sputnik's launch.
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