Folder Lists: Robert Raymond Hessler
- Papers 1932 - 1991. Collection 89-15
- Papers 1932 - 2003. Collection 2008-13
- Papers 1949 - 2000. Collection 2001-19
- Papers 1960 - 2001. Collection 2001-13
- Papers 1963 - 1984. Collection 2008-44
- Papers 1965 - 2001. Collection 2005-10
- Papers 1991 - 1992. Collection 2008-48
- Videotapes 1985 - 1997. Collection 2012-49
