The Heavens and the Earth: A Political History of the Space Age.

New York: Basic Books, 1985.

McPhee, John.

The Curve of Binding Energy.

New York: Farrar. Straus and Giroux, 1973.

Medaris, Major General John B.

Countdown for Decision.

New York: G.P. Putnam’s Sons, 1960.

Miller, Jay.

The X-Planes, X-l to X-29.

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