Calendar

Notes on Certain Maya and Mexican Manuscripts

Third Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1881-82, Government Printing Office, Washington, 1884, pages 3-66

Cyrus Thomas

Our Calendar

The Julian calendar and its errors. How corrected by the Gregorian. Rules for finding the dominical letter, and the day of the week of any event from the days of Julius Caesar 46 B.C. to the year of our Lord four thousand; a new and easy method of fixing the date of Easter. Hebrew calendar; showing the correspondence in the date of events recorded in the Bible with our present Gregorian calendar. Illustrated by valuable tables and charts.

George Nichols Packer

The Fundamental Principles of Old and New World Civilizations

A Comparative Research Based on a Study of the Ancient Mexican Religious, Sociological, and Calendrical Systems

Zelia Nuttall