Cyrus Thomas (July 27, 1825–1910) was a U.S. ethnologist and entomologist prominent in the late 19th century and noted for his studies of the natural history of the American West.
(source Wikipedia)
4 ebooks 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
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.
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
The Problem of Ohio Mounds
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.
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
The Problem of Ohio Mounds