BIBLIOGRAPHY
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1. Clay, Rebecca.   Space Travel and Exploration .  New York: Henry Holt and Company Inc.,­1997. (Pictures only p. 10 and 11).
2. Comptons Interactive Encyclopedia CD ROM.  Space Travel.  Compton Learning Company,­1996.
3. Dateline Moon.   http://www.newseum.org/cybernewseum/exhibits/datelir­
4. Dolan, Edward F.  Famous Firsts In Space.   New York: Cobblehill Books, 1989. (Pictures p.­28 and p.13).
5. Kelly, Nigel.  The Moon Landing: The Race Into Space.  Chicago, Illinois: Reed Educational­ and Professional Publishing, 2001.
6. Sullivan, George.  The Day We Walked on the Moon.  New York: Scholastic Inc. 1990.­(Picture only p. 11).
7. Vogt, Gregory L.   The Solar System Facts and Exploration.  Ontario: Fitzhenry and Whiteside­Ltd., 1995.