1. An excellent summary of mankind’s fascination with the Moon through history is given by S. A. Bedini, Man and the Moon, inMoon: Man’s Greatest Adventure, edited by D. Thomas, pp. 15–87. Harry N. Abrams, New York (1970).
2. For a treatment of telescopic observations of the Moon see: Z. Kopal, Academic Press, New York (1964);
3. R. B. Baldwin, University of Chicago Press, Chicago (1963); or P. Moore, W. W. Norton, New York (1976).
4. The Moon in the Post-Apollo Era
5. For a summary of the US program for lunar exploration see: E. M. Cortright (editor), NASA SP-350, US Government Printing Office, Washington, DC (1975);