| Digest Nr | Subject and Author |
|---|
 |
| 2017.08.18.02 | Artrio-Angelus and Duo-Art Perforators, from Wayne Stahnke |
| 2016.10.27.02 | B.A.B. Perforators Being Sold?, from Matthew Caulfield |
| 2013.12.14.04 | Herschell Carrousel Factory Museum Perforators, from Carl Zwanzig |
| 2013.04.01.07 | Who Built the Wurlitzer Music Roll Perforators, from Doug Hershberger |
| 2013.04.01.06 | Who Built the Wurlitzer Music Roll Perforators, from Matthew Caulfield |
| 2013.03.29.03 | Who Built the Wurlitzer Music Roll Perforators, from Dave Krall |
| 2009.05.19.06 | 1960s Aeolian Perforators & Piano Rolls, from Richard Groman |
| 2009.05.18.06 | 1960s Aeolian Perforators & Piano Rolls, from Jeffrey R. Wood |
| 2009.05.16.07 | 1960s Aeolian Perforators & Piano Rolls, from Richard Groman |
| 2008.12.19.03 | Music Roll Perforators in the "Morse Report", from Ed Gaida |
| 2007.03.26.05 | Original Duo-Art Perforators, from Randy Hammond |
| 2007.03.21.06 | Original Duo-Art Perforators, from Randy Hammond |
| 2005.06.15.07 | Perforators In Museums, from Don Teach |
| 2005.06.14.04 | Mastertouch Perforators, from Bernt Damm |
| 2005.06.12.01 | Mastertouch Perforators, from Peter Phillips |
| 2005.06.11.09 | Perforators (Rollo/Rollos Mexico), from Dave Geissinger |
| 2005.06.10.05 | Mastertouch Perforators, from Bernt Damm |
| 2005.06.08.08 | Perforators, from Don Teach |
| 2003.07.05.06 | Perforators Earn More Money Than Music Rolls, from Hal Davis |
| 2003.03.06.01 | Aeolian-American Music Roll Perforators, Part 2, from Ed Gaida |
| 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 |
| 2003.02.26.08 | Aeolian-American Music Roll Perforators, Part 1, from Ed Gaida |
| 2002.04.25.08 | Keystone Music Roll Perforators, from Craig Brougher |
| 2000.05.07.10 | "Leabarjan" Music Roll Perforators, from Douglas Henderson |
| 1998.05.01.13 | International Music Roll Co. Perforators, from Robert Perry |
| 1998.04.07.18 | Resources for Perforators, from Laurent Coray |
| 1998.03.25.14 | Perforators at Keystone Music Rolls, from Michael Swanson |
| 1998.03.24.18 | Leabarjan Perforators - Part 2, from Ed Gaida |
| 1998.03.24.17 | Leabarjan Perforators - Part 1, from Ed Gaida |
| 1998.02.25.18 | Music Roll Paper and Perforators, from Hal Davis |
| 1996.12.12.04 | Interposers in Perforators, from Matthew Caulfield |
| 1996.12.10.07 | Re: Old Perforators, from Matthew Caulfield |
| 1996.10.28.10 | Paper Roll Perforators - MIDI Converter Device, from John Wale |
| 1996.10.27.04 | Perforators and Bridging, from Karl Ellison |
| 1996.10.27.03 | Paper Roll Perforators, from Todd Augsburger |
| 1996.10.26.02 | Paper Roll Perforators, from Bob Essex |
| 1996.10.13.04 | Organettes, Perforators, Etc, from John Wolff |
| 1996.10.12.03 | Roll Perforators, from Michael Waters |
| 1995.09.08.02 | Roll perforators in July/Aug AMICA bulletin, from Rob DeLand |
| 1995.05.12.02 | roll perforators, from Mike Walter |
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