1. Alex, R. 1981aThe Village Cultures of the Lower James River Valley, South Dakota. Unpublished Ph. D. dissertation, Department of Anthropology, University of Wisconsin, Madison.
2. Alex, R. 198lb Villages off the Missouri River. In:The Future of South Dakota’s Past, edited by L.J. Zimmerman and L.C. Stewart, pp. 39-46. South Dakota Archaeological Society, Special Publication 2. Vermillion.
3. Anfinson, S.F. 1977An Analysis of the Big Slough Site (21MU1) with Particular Emphasis on the Ceramic Body Sherds.M.A. thesis, Department of Anthropology, University of Nebraska, Lincoln.
4. Anfinson, S.F. 1979 Great Oasis Phase. In:A Handbook of Minnesota Prehistoric Ceramics, edited by S. Anfinson, pp. 87-94. Occasional Publications in Minnesota Anthropology 5. The Minnesota Archaeological Society, Fort Snelling.
5. Anfinson, S.F. 1987The Prehistory of the Prairie Lake Region in theNortheastern Plains. Unpublished Ph. D. dissertation, Department of Anthropology, University of Minnesota, Minneapolis.