• NASA History Fact Sheet: a very broad five-page overview of NASA's forty years.
• Defining Events for NASA: chronologically organized.
• Bibliography covering Sputnik, NASA's founding, and the early years of the space age.

• The Legislative Origins of NASA:: Proceedings of an Oral History Workshop (No. 8). This is available in text-only pdf file or a large (8 Mb) pdf file with graphics.
• Human Spaceflight, A Record of Achievement, 1961-1998 (No. 9)
• NASA's Origins and the Dawn of the Space Age (No. 10)

Selected Books:

• Orders of Magnitude: A History of the NACA and NASA, 1915-1990 (NASA SP-4406, 1989).
• Beyond the Atmosphere: Early Years of Space Science (NASA SP-4211, 1980)
• First Among Equals: The Selection of NASA Space Science Experiments (NASA SP-4215, 1991)
• Space Medicine in Project Mercury (NASA SP-4003, 1965)