On the Evolution of Language : First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-80, Government Printing Office, Washington, 1881, pages 1-16 [electronic resource] /
John Wesley Powell
- Project Gutenberg, 2006
- Project Gutenberg 18818 .
Public domain in the USA.
Electronic text
Language and languages Indians of North America -- Languages