Country School Legacy, Richardson Collection, Special Collections, University of South Dakota
Young Citizens League, Richardson Collection, Special Collections, University of South Dakota
Briggs, Harold Edward
The early history of Clay County. Thesis (M.A., History)--University of South Dakota, 1924.
Schell, Herbert Samuel
Clay County: chapters out of the past. Vermillion Area Chamber of Commerce, 1985.
History of Clay County, South Dakota. Vermillion, S.D.: Clay County Historical Society, c1976.
