Scope and Content The collection (1968-2006, undated) contains coursework and materials from Timberg's Master of Science thesis at Iowa State University and audio recordings of oral history interviews conducted by Timberg during his time at Iowa State. Included in the tapes are the original recordings identified and indexed in the appendix of his thesis. Timberg gathered oral histories from a variety of Iowans including Jack Shelley, Albert Parks Butts, Mabel Bartenhagen, Abe Mezvinsky, Lewis Morris, Jack...