Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

"Aids to the Study of the Maya Codices" from Cyrus Thomas. American ethnologist and entomologist (1825-1910).

"Burial Mounds of the Northern Sections of the United States" from Cyrus Thomas. American ethnologist and entomologist (1825-1910).

"Day Symbols of the Maya Year" from Cyrus Thomas. American ethnologist and entomologist (1825-1910).

"Notes on Certain Maya and Mexican Manuscripts" from Cyrus Thomas. American ethnologist and entomologist (1825-1910).

"The Problem of the Ohio Mounds" from Cyrus Thomas. American ethnologist and entomologist (1825-1910).