The bulk of the collection documents Clark's career as Kent County Superintendent of Schools, 1935-1961. Of special interest in the collection are the scrapbooks kept by Clark containing news clippings about all aspects of the schools in Kent County. They give excellent documentation to the history of education Kent County. Also of interest in the collection are two volumes, "Sparta School district #3 Records," 1848-1971, and "Michigan School Report," 1865. The collection contains photographs, correspondence, music programs, and biographical information.