Books about Maya calendar

An Introduction to the Study of the Maya Hieroglyphs

Day Symbols of the Maya Year

Commentary on the Maya Manuscript in the Royal Public Library of Dresden

The Books of Chilan Balam: The Prophetic and Historic Records of the Mayas of Yucatan

Notes on Certain Maya and Mexican Manuscripts

Was the Beginning Day of the Maya Month Numbered Zero (or Twenty) or One?

Mayan Nomenclature

On the Age of Maya Ruins

Memoranda on the Maya Calendars Used in the Books of Chilan Balam