Fonds consists of records documenting the administrative and operational activities of the society including general business files, correspondence, financial records, personnel files, publicity, outreach and reviews, scripts, graphic records, audio and video tapes, scrapbooks and posters, and logbooks and notebooks.

Fonds includes the following series: Departmental meeting minutes, 1964-69, 1972-82; Planning for Theatre building, 1975-81; Theatre production, 1963-83; Theatre production for Phoenix Summer Theatre, 1972-81, 1986-87; Theatre production for Senior Secondary Summer Theatre Workshop, 1966-82; Theatre production scripts, 1964-89; Theatre production photographs, 1965-83; Theatre production slides, 1963-86.

Fonds includes the following series: theatre scrapbooks, 1941-1991; biographical material, 1939-1994; programs and printed material, ca. 1938-1986; photograph series, 1947- ca.1987; audio-visual media series, 1946-ca.1992; and theatre poster series, 1950-1978.

Fonds consists of working files, photographs, slides and tapes documenting the activities of the Wild Horse Summer Theatre Company, at Fort Steele Historic Park, Fort Steele, B.C. Fonds includes proposal for a theatre project at Fort Steele and related correspondence, membership contracts with the cast, audition forms, press releases, financial records, floor plans, lighting and sound instructions, newsclipping with reviews of play, Parks Board historical notes, final reports by Murray Edwards and Tony Bukowiecki, and designs of the Wild Horse Summer Theatre logo; publicity photographs; slides of historic scenes in southeastern B.C., used in "The Life and Death of Sneaky Fitch", and slides of cast members at Fort Steele Park; and taped performances of "The Life and Death of Sneaky Fitch".