| Digest Nr | Subject and Author |
|---|
 |
| 2023.03.20.02 | FS: Mason & Risch Duo-Art Grand in Calgary, from John Struve |
| 2021.08.28.02 | FS: Mason & Risch Welte Licensee in Ontario, from John Struve |
| 2015.10.06.06 | Seek "Mason Risch Toronto" Maker's Insignia, from Steve Bentley |
| 2010.01.30.04 | FS Free: Mason & Risch Player Piano in Niagara, from Doug Ferguson |
| 2005.12.13.09 | Odeola Player in Mason & Risch Piano, from Joel Gauthier |
| 2004.07.18.11 | Mason & Risch Duo-Art, from Jurgen Goering |
| 2004.07.18.10 | Mason & Risch Duo-Art, from Diane deTar |
| 2004.07.18.09 | Mason & Risch Duo-Art, from Jeff Davis |
| 2004.07.18.08 | Mason & Risch Duo-Art, from Terry Smythe |
| 2004.07.17.07 | 1933 Mason & Risch Duo-Art, from D. L. Bullock |
| 1998.06.05.09 | FS: Mason & Risch Duo-Art, from Jim Heyworth |
| 1997.09.12.01 | Introduction and Mason & Risch Player Piano, from Italo Pagnottella |
|
