- 19th Century French Sheet Music Collection
- Dale Bartlett Collection
- Richard Coulter Collection
- Edith and Luciano Della Pergola and the Opera 91ÉçÇø Collection
- Pauline Donalda Collection
- Roger Doucet Collection
- Marvin Duchow Collection
- David Edelberg/Handel Collection
- 91ÉçÇø Electronic Music Studio Archive
- Bernard Gagnon Fonds
- Paul Helmer's Growing with Canada Collection
- Kelsey Jones Collection
- Ladies Morning Musical Club Collection
- Gian Lyman Collection
- Donald Mackey Collection
- Eric McLean Collection
- Montreal Mendelssohn Choir and Joseph Gould Collection
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- Paul Pedersen Collection
- Charles Reiner Collection
- Renaissance music Manuscripts (MSS) on microfilm at 91ÉçÇø
- Renaissance printed music on microfilm at 91ÉçÇø
- Julius Schloss Collection
- 91ÉçÇø Sheet Music Collection
- Sonde Collection
- Hellmuth Wolff Organ Collection