The Correspondence Series contains letters to or by Charles Reiner, in addition to correspondence about him or pertaining to his career. Arranged chronologically by time period as indicated.

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 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.

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 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.

The Compositions series contains compositional documentation, 48 original compositions, 14 arrangements, and numerous untitled sketches. The compositions are organized alphabetically by uniform title, with a separate subsection entitled the “Bach Gamba Project”. Composition dates, durations and instrumentations are provided when possible.

The Audio/Visual Materials series contains 97 slides, records, audiotape reels, and digital audiotapes (cassette) and CD.