Resources
- Cowan, C.W. (1987). First farmers of the middle Ohio valley: Fort Ancient societies, A.D. 1000-1670. The Cincinnati Museum of Natural History: Cincinnati, OH.
- Glotzhober, R.C. (1994). Serpent mound: Ohio's enigmatic effigy mound. Ohio Historical Society: Columbus, OH.
- Saraceni, J.E. (1996). Redating serpent mound. Archaeology Magazine, 49 (6).
- Shetrone, H.C. (1964). The mound-builders. Kennikat Press, Inc.: Port Washington, NY.
- Wohlfarth, J. (2007). What lies beneath. Cincinnati Magazine, 40 (9), 34-36.
- Woodward, S.L., McDonald, J.N. (2002). Indian mounds of the middle Ohio valley. The McDonald & Woodward Publishing Company: Blacksburg, VA.