• The fonds consists of incorporation documents, minutes, annual reports, committee records, correspondence, administration records, production records, staff files, marketing records, newspaper clippings, programs, development records, special events records and photographs of the orchestra. Includes architectural plans for the Calgary Centre for the Performing Arts.

The fonds consists of grand opening program, invitations and leaflet with plans of the Central Library (1963), seven plans of the Central Library (1962), and twelve plans of the Memorial Park Library (ca. 1910-1912).

• The fonds consists of correspondence, primarily about collections (1911-1936), an accessions register (1928-1929), and visitors books (1928-1933).

The fonds consists of constitution and bylaws, programs, set designs (by Laszlo Funtek and G.L. Palmer), photographs, slides, a film, sound recordings, prompt scripts, and newspaper reviews pertaining to 24 of the group's productions.

• The fonds consists of minutes, correspondence, resumes of papers, programs, financial documents, newspaper clippings, memberships and photographs. Famous Five [Famous 5]), Georgina Thomson, and Rose Wilkinson.

The fonds consists of correspondence pertaining to his appointment as librarian, his article on the Calgary Public Library, a transcript of an interview with him, and an oral autobiography he recorded ca. 1975. Also includes interviews conducted by Donna Lohnes and Barbara Nicholson of three of Calhoun's associates, Aylmer Liesemer, Jim Pegg, and Kay Snow.

The fonds consists of papers, reports and research files, predominantly about North American museums.