How the Mayan calendar was brought to the world's attention in 1987 | Mayan apocalypse | The Guardian
The Mayan Calendar | Calendars
Maya Calendar Conversions
The Mayan Calendar - History
Mesoamerican Long Count calendar - Wikipedia
Mayan Calendar - Token Rock
Mayan Calendar and December 21, 2012 - SMU
Mayan Calendar | Chichen Itza Information | Mayan Culture | Chichen Itza
How The Maya Calendar Works | Chaa Creek
Experiencing Maya: Hidden Worlds Revealed- The Maya Calendar | Connecticut Science Center
2012 Mayan Calendar, with Mayan Glyphs for Modern Dates: Dr. Edwin Barnhart: 9780615521145: Amazon.com: Books
Maya Cycles of Time
The Mayan Calendar | Calendars
Maya Dates and Calendars
Mayan Date Correlation
Primer: Three Maya Calendars - Archaeology Magazine
Maya Calendar Conversions
Ancient Text Confirms Mayan Calendar End Date | Live Science
Mayan calendar | chronology | Britannica
Mayan Calendar Spurs End-Of-The-World Debate : NPR
Maya Dates and Calendars
Mesoamerican Long Count calendar - Wikipedia
Experiencing Maya: Hidden Worlds Revealed- The Maya Calendar | Connecticut Science Center
How the Mayan calendar actually works - CBS News
