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Demetrio, Sodi. Everything About Tulum. Mexico: Panorama Editorial...1991

Hammond, Normah. Ancient Maya Civilization New Jersey: Rutgers University Press...1981

Henderson, John. The World of Ancient Maya New York: Cornell University Press...1981

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http://ocean.st.usm.edu./~tgparker/maya.html January 21, 1999

Mayan Architecture (Online) Available

http://udgftp.cencar.udg.mx/ingles/Precolombina/Maya/mayaarquitectura.html January 21

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http://indy4.fdl.cc.mn.us/~isk/maya/mayamap.html January 28, 1998

Sabloff, Jeremy. The Cities of Ancient Mexico New York: Thames and Hudson...1989

Schele, Linda and Miller, Mary Ellen. The Blood of Kings, Dynasty and Ritual In Maya Art. New York:George Braziller, Inc.,1986

Shearer, Robert. Daily Life in Maya Civilization. Connecticut: Greenwood Press...1996