Bleeker, Sonia. 'The Maya Indians of Central America.'
New York: William Morrow and Company,1963, pp. 34-59. Toronto,Sydney. ''Maya volume number 13.'The World Book
Encyclopedia.' Chicago:London ,1999 ''Clipart Castle.'Whitfield County schools.'
http://www.clipartcastle.com/cdleetions/mal/an.htm (15 March
2000) 'Exploring the Lost Maya' ,(1995) ComputerSoftware,
Sumeria Media Group