Ejemplares similares: The book the year calendars/
- Book of the gods and rites and the ancient calendar /
- Origin of the Mesoamerican 260-day calendar/
- The middle American calendar round/
- The ancient middle-american calendar system : its origin and development /
- Western Mesoamerican Calendars and Writing Systems : proceedings of the Copenhagen Roundtable /
- Highly preliminary notes on the zapotec calendar