| Digest Nr | Subject and Author |
|---|
 |
| 2022.01.29.03 | Phonograph & Player Piano Combinations, from Bob Baumbach |
| 2018.05.28.06 | Phonograph & Player Piano Combinations, from John McClelland |
| 2017.09.19.09 | FS: Apollophone Phono & Player Piano Combinations, from Ronald Hardwig |
| 2017.09.19.08 | Phonograph & Player Piano Combinations, from Paul Johnson |
| 2017.09.16.07 | Phonograph & Player Piano Combinations, from Donald Cochrane |
| 2017.09.16.06 | Phonograph & Player Piano Combinations, from Art Reblitz |
| 2017.09.16.05 | Phonograph & Player Piano Combinations, from David R. Smith |
| 2017.09.14.05 | Phonograph & Player Piano Combinations, from John McClelland |
|
