Mayan

Dresden Codex
Dating the eclipse table of the Dresden Codex, with solution of the correlation problem. Technical.
http://www.baktun.de/English/Dating_the_eclipse_table/dating_the_eclipse_table.html

The Maya Astronomy Page
Contains study of Maya mathematics, geographical orientation, writing, calendar, and Maya-related links.
http://www.michielb.nl/maya/

Maya Calendar
An explanation of the long count, the tzolkin-haab and the relation between the Maya Calendar and the Gregorian Calendar.
http://www.hermetic.ch/cal_stud/maya/cont.htm

Mayan Calendar
An introduction to the Mayan Calendar.
http://www.caribemexicano.com/eng/mayancalendar

Mesoamerican Archaeoastronomy
A review of prehispanic astronomic knowledge: numeration, calendars, dates, stelae, codices and architecture. Extensive bibliography
http://www.jqjacobs.net/mesoamerica/meso_astro.html

Real Maya Prophecies: Astronomy in the inscriptions and codices
Overview of the evidence for Mayan astronomy.
http://members.shaw.ca/mjfinley/mainmaya.html

Southernmost Rise of Venus at Uxmal, 1997
Pictorial account of the expedition to photograph the southernmost rise of Venus (which occurs once every eight years) from the ancient Maya city in western Yucatan.
http://www.ridgecrest.ca.us/~n6tst/maya/

Sun key to Mayan misery?
The BBC report on a theory that Mayan astronomy may have been inspired by fluctations in the brightness of the sun. <small>(May 22, 2001)</small>
http://news.bbc.co.uk/1/hi/sci/tech/1337859.stm