The fonds contains material acquired and created by Maureen Forrester. Includes musical scores, photographs, concert programs, clippings, awards, audio recordings, video recordings, working files, professional and personal records, correspondence and other material.
Although the fonds does contain some personal records, the majority of the collection is Forrester's professional files. This includes more than 2,800 scores. Some of the scores are notated and signed by Maureen Forrester.