Americas
- American Indian History Resources
- Links to maps, timelines, tribal histories, and written and oral histories.
- Maya/Aztec/Inca
- Welcome to the Maya/Aztec/Inca Center of the Lords of the Earth, a Web site, which deals with the Archeology and Anthropology of the Americas.
- The Maya Calendar
- The ritual calendar that developed in Mesoamerica used a count of 260 days.