The Clifford Keen collection, consisting of 1 linear foot and 2 outsize volumes, is divided into 6 series: Biographical material, Correspondence, Wrestling Meet Rules and Rosters, Newspaper clippings, Business and Professional Activities, and Photographs.
Of special interest are 15 correspondence folders containing letters written primarily in the 1920s and 1930s. These are arranged alphabetically by individual and/or institution. Nearly all correspondence between universities is classified by the name of the institution. Some of the material, dated 1925, was written before Keen's move to the University of Michigan. Although not addressed to or written by Keen, these letters are included in the first correspondence folder. The last folder contains letters, 1971-1977, written and received after Keen's retirement. The collection includes two oversize scrapbooks which are of particular interest in that they contain newspaper clippings and photographs documenting Keen's activities from 1926 to 1955 and from 1955 to 1978. The volumes are arranged by wrestling season and include newspaper accounts of wrestling meets, feature stories on Keen and individual wrestlers, and team and individual photos.