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Egyptians
How they used Astronomy
Using the stars
Calender
The Great Pyramid of Giza
sources
Peter Hodges, How the Pyramids Were Built, edited by Julian Keable (Longmead, U.K.: Element Books, 1989).
Mark Lehner, The Complete Pyramids (New York: Thames & Hudson, 1997).
J. P. Lepre, The Egyptian Pyramids: A Comprehensive, Illustrated Reference (Jefferson, N.C.: McFarland, 1990).
Peter Tompkins, Secrets of the Great Pyramid (New York: Harper & Row, 1971).
"Technology and Engineering: Building the Pyramids." World Eras. Ed. Edward I. Bleiberg. Vol. 5: Ancient Egypt, 2615 - 332 B.C.E. Detroit: Gale, 2002. 283-285. Gale Virtual Reference Library. Web. 4 Sept. 2015.
"Ancient Egyptian Contributions to Science." Gale Student Resources in Context. Detroit: Gale, 2011. Student Resources in Context. Web. 9 Sept. 2015
"Egyptian Astronomy, Astrology, and Calendrical Reckoning." Complete Dictionary of Scientific Biography. Vol. 15. Detroit: Charles Scribner's Sons, 2008. 706-727. Gale Virtual Reference Library. Web. 9 Sept. 2015