Month Symbols Maya glyphs of the months, by Cyrus Thomas, 1885 Go To Referenced Item More information ... Close More Exhibit Items Morley’s Introduction to the study of the Maya hieroglyphs Calendar Round A study of the manuscript Troano Day Symbols Mayan calendar systems Month Symbols Essai sur le déchiffrement de l'écriture hiératique Temple of the Cross: Palenque Maudslay's Biologia Centrali-Americana: Archaeology Copan, Honduras. Stela D The numeration, calendar systems and astronomical knowledge of the Mayas One dot for one year; one line for five years Notes on certain Maya and Mexican manuscripts Calendar wheel from book of Chilan Balam The books of Chilan Balam: the prophetic and historic records of the Mayas of Yucatan Books of the Jaguar Priest