Gerard Fowke
Stone Art Thirteenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1891-1892, Government Printing Office, Washington, 1896, pages 47-178.
Gerard Fowke · 2015
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Indians of North America -- ImplementsStone implements