| Digest Nr | Subject and Author |
 |
| 2014.07.14.03 |
Perforated Music Media - Autotypist Paper, from Steve Bentley |
| 2014.07.12.01 |
Perforated Music Media - Autotypist Paper, from Art Reblitz |
| 2014.07.11.04 |
Perforated Music Media - Autotypist Paper, from Allen Ford |
| 2014.07.09.07 |
Perforated Music Media - Autotypist Paper, from David Sharpe |
| 2014.07.09.06 |
Perforated Music Media Manufacturing Technology, from Julian Dyer |
| 2014.07.08.04 |
Perforated Music Media Manufacturing Technology, from Matthew Caulfield |
| 2014.07.08.03 |
Perforated Music Media Manufacturing Technology, from Julie Porter |
| 2014.07.07.01 |
Perforated Music Media Manufacturing Technology, from Yasmine Kerber |
| 2013.02.18.04 |
Plastic Film for Perforated Music Rolls, from Thomas Sterk |
| 2012.02.16.04 |
B.A.B. Organ Rolls Perforated by Tom Wurdeman, from David Haibach |
| 2012.02.15.03 |
B.A.B. Organ Rolls Perforated by Tom Wurdeman, from Tracy Tolzmann |
| 2011.10.27.05 |
Seek Perforated Grids for Ampico B Regulators, from Robert Smith |
| 2009.12.30.05 |
Unknown 65-note Rolls Perforated by Don Rand, from Greg Filardo |
| 2009.12.29.07 |
Unknown 65-note Rolls Perforated by Don Rand, from Stephen Kent Goodman |
| 2009.12.28.01 |
Unknown 65-note Rolls Perforated by Don Rand, from Brian Smith |
| 2007.04.20.03 |
Star Perforator for Making Perforated Music Rolls, from Paul Manganaro |
| 2007.02.22.01 |
J. Lawrence Cook, Perforated Music Roll Specialist, from Ken Vinen |
| 2005.10.31.04 |
Seek J.L. Cook "Collectors' Perforated Roll" List, from Bob Stewart |
| 2003.11.01.03 |
QRS Ampico Rolls Perforated By Keystone, from Don Teach |
| 2003.08.06.02 |
Source of Perforated Card Book Music, from Nick Dean |
| 2003.05.01.04 |
Punching Perforated Card Music, from Nick Dean |
| 2003.02.25.07 |
"Testophone" Car Horn Played by Perforated Cylinder, from Dennis Nordin |
| 1996.10.28.07 |
Re: Personal Perforated Paper Manivelle, from Marc Kaufman |
| 1996.10.24.06 |
Re: Personal Perforated Paper Manivelle, reply, from Angelo Rulli |
| 1996.10.23.11 |
Personal Perforated Paper Manivelle, from Robert Linnstaedt |
| 1996.03.22.05 |
Perforated Music Rolls, Part 1., from Robbie Rhodes |
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