Hunsaker was involved in adult education for over sixty years. Papers include brochures, clippings, correspondence, memoranda, pamphlets, reports, speeches, audiorecordings of interviews, and materials related to Hunsaker's thesis. Best represented are the dissertation materials, his international activities with World Education, U.S. Agency for International Development (USAID) and UNESCO, and his activities related to professional conferences and seminars. Of interest are the papers related to his China and Middle East tours. Significant correspondents include Rewi Allen, George E. Davis, Thomas B. Keehn, Paul Sheats, and Hunsaker's family. Among the personal papers are those concerning Hermann H. Field, for whom Hunsaker acted as absentee executor.