On the Evolution of Language :
Powell, John Wesley, 1834-1902
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
P E011
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
P E011