Jones' Antiquities of the Southern Indians.
Pidgeon's Traditions of Decoodah.
Lapham's Antiquities of Wisconsin. Washington, 1853.
Whittlesey's Ancient Mining on the Shores of Lake Superior.
Bradford's American Antiquities.
Foster's Pre-Historic Races.
Id., Mississippi Valley.
Smithsonian Institution, Reports.
Tylor's Researches.
American Ethnological Soc., Transactions.