The most recent submissions are listed first.
| Digest Nr | Subject and Author |
 |
| 2007.04.27.03 | Nancarrow Study Nr. 40 for Two Player Pianos, from Walter Tenten |
| 2003.03.19.02 | 1999 Trade Commission Study of Piano Industry, from Julian Dyer |
| 2003.02.28.07 | John F. Morse Study on Music Roll Perforators, from Julian Dyer |
| 2003.02.27.05 | John F. Morse Study on Music Roll Perforators, from Dave Saul |
 |
|