References Cited
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- Harkness, B. M. 1982 Implications for Ohio Hopewell Polity Suggested by Lithic and Iconographic Analysis. Ph.D. dissertation. The Union.
- Willoughby, C. C. 1922 The Turner Group of Earthworks, Hamilton County, Ohio. Papers of Peabody Museum of American Archaeology and Ethnology. 8(3). Harvard University, Cambridge.