The Programmes Series contains concert programmes of his performances from 1950 to 1999 as well as programmes from performances that he attended and kept. The programmes are arranged chronologically.

The series is arranged by subject as indicated.

The Scripts and Writings series contains writings, lectures and talks by Donald Mackey; as well as documentation pertaining to special projects organized and carried out by Donald Mackey (i.e. organ installations and events). The series is organized chronologically.

Includes signed programme by Charles Reiner and Henryk Szeryng; programme for the ―Grande Concert de Gala‖ of the International Refugee Organization; programmes for solo performances; listings of radio broadcasts; and programmes for collaborative performances with: François D’Albert, Hyman Bress, Alexander Brott, Lotta Brott, Ross Campbell, Leslie Chabay, Louis Charbonneau, Maureen Forrester, Arthur Garami, Rose Goldblatt, Gerrard Jarry, Guy Lachapelle, Arthur LeBlanc, Claudette LeBlanc, Carl Little, Armas Maiste, Anna Malenfant, Raffaele Masella, Janine Micheau, Ruggiero Ricci, Robert Savoie, Meyer Stolow, Henryk Szeryng, Laszlo Varga, and Zvi Zeitlin.

The Biography Series consists of divergent materials, all relating to either Reiner’s personal or professional life after his arrival in Canada. The series includes: personal legal documents, autobiographical writings, medical documents, writings for lectures, documents pertaining to professional engagements, grant applications, and autographs/copies of his own compositions. The series is arranged by subject as indicated.

The Biographical Information series contains divergent materials, all relating to Donald Mackey’s personal or professional life. The series includes his thesis and writings, lectures, and other miscellaneous personal documents. The series is arranged chronologically by time period as indicated.

The Richard Coulter Collection provides extensive documentation for a period of approximately thirty years in the history of the Canadian Broadcasting Corporation (CBC). It constitutes an invaluable resource for research in Canadian music culture, and the CBC in particular and prominent Canadian composers and performers. The Richard Coulter Collection consists of the radio scripts, production information and publicity connected with programs and program series commissioned, developed and broadcast on CBC Radio in Canada in the 60s, 70s and 80s. The collection also contains audio recordings of a portion of the programs produced. The collection features such prominent North Americans such as Glenn Gould and John Cage. It is divided into ten series and contains approximately 17,000 items. The majority of the collection consists of documents and correspondence from Richard Coulter’s CBC office files relating to the CBC radio programs, special events and talent festivals that he produced. These include radio and television scripts, correspondence, administrative files, project reports, concert programs, publicity, promotional information, press clippings, payment information, contracts, production and technical information, scores, and audio tapes.

The Compositions series contains sketches, texts and manuscripts of 30 of Kelsey Jones’ major compositions. The works are arranged chronologically. Composition dates, durations and instrumentations are provided when possible.

The Biographical Information series consists of divergent materials, all relating to either Pedersen’s personal or professional life. The series includes: personal legal documents, early education, thesis and dissertation writings, writings for lectures, documents pertaining to professional engagements, grant applications, and other miscellaneous personal documents.