Fonds consists of records documenting Richard Mattessich’s professional career, including his writing, research, and teaching activities, as well as his personal life. The records include correspondence, reports, notes, manuscript copies of his works, copies of his publications, annotated copies of publications by others, class and teaching materials, honorary degrees and other recognition certificates, a DVD recording, and photographs. It is organized in the following series: Alphabetical Subject Files, Correspondence, Personal and Biographical, Publications, Teaching, Research Materials, and Photographs.

Fonds includes sixty-one literary works dating from 1969 to 2011, including screenplays, teleplays, manuscripts of novels, and non-fiction work along with accompanying correspondence, notes, press, research, photographs, and recordings. Scripts include both produced and unproduced projects. Also included is a small collection of personal material such as drawings and biographical materials with obituaries and tributes for Hunter.