The Byron McGrath papers (1926-1993) consist of materials regarding the personal and professional lives of both Byron McGrath and Grace Coppin McGrath as actors, teachers, and philanthropists.

The Nancy Melich papers (1920-2009) consist of correspondence, theatre reviews, interviews, article drafts, playbills, and theatre perephernalia from her career as a theatre critic for the Salt Lake Tribune. Melich's career spanned nearly 30 years, and she was influential in Utah's local theatre scene.

The Pioneer Memorial Theater collection (1935-2011) consists mainly of theater programs and announcements for productions performed at the theater. Pioneer Memorial Theater, originally a replica of the old Salt Lake Theater, was completed in 1962 on the University of Utah campus. In addition to the programs, the collection also contains certificates, news clippings, posters, and unidentified set designs.

The Robert Hyde Wilson papers (1931-1983) consist mainly of theater programs and notes, although some news clippings, correspondence, scrapbooks, and other materials are also included. Robert Hyde Wilson was co-founder of the Lagoon Opera House and directed productions at Kingsbury Hall and Pioneer Theater, both located at the University of Utah.