Prehistoric Textile Art of Eastern United States / Thirteenth Annual Report of the Beaurau of American / Ethnology to the Secretary of the Smithsonian Institution / 1891-1892, Government Printing Office, Washington, 1896 / pages 3-46

Mats were used not only in and about the dwellings of the aborigines, but it was a common practice to carry them from place to place to sleep on, or for use as seats or carpeting in meetings or councils of ceremonious nature. The latter use is illustrated in a number of the early accounts of the natives.