Sullivan, L.P., 1996. Reanalyzing the Ripley Site: Earthworks and Late Prehistory on the Lake Erie Plain, New York State Museum Bulletin. The University of the State of New York, Albany, New York.

Sullivan, L.P., Hart, J.P., 1996. Research Plan for Prehistoric Sites, Historic Context Development for Prehistoric Sites, U.S. Route 219, Cattaraugus and Erie Counties, New York. Albany, New York.