Note On The Ancient Mexican Calendar System is a book written by Zelia Nuttall in 1894. The book is a comprehensive study of the ancient Mexican calendar system, which was used by the Aztecs and other Mesoamerican cultures. Nuttall examines the various aspects of the calendar system, including its history, structure, and function. She also explores the cultural and religious significance of the calendar, as well as its use in agriculture and astronomy...