
Cyrus Thomas
Cyrus Thomas was an American ethnologist and entomologist prominent in the late 19th century and noted for his studies of the natural history of the American West.

Day Symbols of the Maya Year Sixteenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1894-1895, Government Printing Office, Washington, 1897, pages 199-266.
Uncover the secrets of an ancient civilization as their calendar's symbols reveal a world of history, language, and astronomical observations.
By Cyrus Thomas

Burial Mounds of the Northern Sections of the United States
Unearthing ancient graves reveals clues about the lives and mysteries of America's forgotten civilizations.
By Cyrus Thomas

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
Unlock the secrets of lost civilizations as a scholar deciphers the ancient symbols of gods and calendars, revealing the hidden links between the Maya and Mexican cultures of old.
By Cyrus Thomas

Aids to the Study of the Maya Codices Sixth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1884-85, Government Printing Office, Washington, 1888, pages 253-372
Embark on a journey to decode ancient Maya secrets, where understanding their symbols and numerals unlocks a civilization's hidden knowledge.
By Cyrus Thomas

The Problem of the Ohio Mounds
Discover how the ancient mounds of Ohio expose the untold stories of Native American tribes and challenge the popular assumptions of a lost civilization's influence.
By Cyrus Thomas