Anderson, Frank W.

Orders of Magnitude: A History of NACA and NASA, 1915-1980.

NASA SP-4403. Washington, D.C.: U.S. Government Printing Office, 1981.

Armstrong, Neil, Michael Collins, and Edwin E. Aldrin.

First on the Moon.

Boston: Little, Brown, 1970.

Baar, James, and William E. Howard.

York: Harcourt, Brace, 1960.

Barnett, Lincoln.

The World We Live In.

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