[9]. Report of the United States National Museum, 1897, pages 361–645.
[10]. Wisconsin Archeologist, April-August, 1905, pages 40–171.
[11]. “The Aboriginal Pipes of Wisconsin,” Wisconsin Archeologist, vol. IV, nos. 3 and 4, p. 83.
[12]. North American Indian.
[13]. “The Aboriginal Pipes of Wisconsin,” Wisconsin Archeologist, vol. IV, nos. 3 and 4, p. 130.
[14]. Moundville Revisited, pp. 384–390.
[15]. “The Aboriginal Pipes of Wisconsin,” Wisconsin Archeologist, vol. IV, nos. 3 and 4, p. 125.
[16]. Report of the United States National Museum, 1897, p. 445.
[17]. E. A. Barber, The Antiquity of the Tobacco Pipe in Europe, quoting Rembert Dodoens on the virtues of colefoot in the “historie of plantes,” American Antiquarian, II, p. 6.
[18]. American Anthropologist, October-December, 1906, p. 686.