Guatemala-Cradle of the Mayan Civilization, 28 Jan. 2011 Web. 29 Apr. 2012 "Naranjo, Central highlands." authenticmaya.com Guatemala-Cradle of theMayan Civilization
(页面存档备份,存于互联网档案馆) Scientific documentation of the biggest Mayan research project (German) (页面存档备份,存于互联网档案馆) Animations of theMayan island Topoxte (present status and
David. Combined Dictionary–Concordance of the Yucatecan Mayan Language (revised 2003). Foundation for the Advancement of Mesoamerican Studies, Inc. (FAMSI)
through a Mayan ruin searching for legendary artifacts. 使用|accessdate=需要含有|url= (帮助) Katz. "'We still have the occasional kid fall into the moat because