Location of Calakmul, Stela 6 preferred Work in Progress Work in Progress author (explicit) doxastic knowledge https://www.zotero.org/idiom_bibliography/items/PMWKHXQB Ruppert, Karl, John H. Denison (1943): Archaeological Reconnaissance in Campeche, Quintana Roo, and Peten. Carnegie Institution of Washington, Publication 543. Carnegie Instituton, Washington, D.C.. 101, Plate 61