[19]. “Antiquities of the Florida West Coast,” Journal of the Academy of Natural Sciences, Philadelphia, 1900.
[20]. “Shell Ornaments from Kentucky and Mexico,” Smithsonian Miscellaneous Collections (quarterly issue), vol. XLV, p. 97. Published Dec. 9, 1903.
[21]. Holmes, in Second Annual Report, Bureau of Ethnology, pl. LXXIII.
[22]. Notes on Primitive Man in Ontario. Report of the Minister of Education for Ontario. Toronto, 1895, pp. 73–81.
[23]. Report for the year 1906, of the Ohio State Archæological and Historical Society.
[24]. Proceedings of the Davenport Academy of Science, vol. ix, pp. 181–183.
[25]. Fourteenth Annual Report, Bureau of American Ethnology.
[26]. Archæological History of Ohio, p. 712.
[27]. Archæological History, p. 713.
[28]. “Discussion as to Copper from the Mounds,” American Anthropologist, vol. v, no. 1, January-March, 1903.