| Digest Nr | Subject and Author |
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| 2010.03.25.03 | Preserve the Ampico B Reproducing Piano, from Bob Taylor |
| 2008.11.09.04 | Preserve the Original Music Rolls, from Bob Billings |
| 2006.07.17.03 | Seek Unsalable Music Rolls to Preserve the Music, from Terry Smythe |
| 2006.05.05.04 | Preserve Fair Organs in Historical Context, from Jonathan Holmes |
| 2006.05.04.05 | Preserve Fair Organs in Historical Context, from Bob Yorburg |
| 2006.05.04.04 | Preserve Fair Organs in Historical Context, from Kevin Kline |
| 2006.05.03.02 | Preserve Fair Organs in Historical Context, from Jonathan Holmes |
| 2005.02.20.05 | Removing Latex Paint To Preserve Original Finish, from John McClure |
| 2000.01.30.06 | Preserve the Welte-Mignon Master Rolls, from Richard Simonton, Jr. |
| 2000.01.30.05 | Preserve the Welte-Mignon Rolls, from Albert Petrak |
| 1999.07.15.03 | Locate and Preserve the Music Rolls, from Albert Petrak |
| 1997.08.07.08 | Preserve the Mechanical Music Now!, from Andy Taylor |
| 1997.08.06.07 | Preserve the Mechanical Music Now!, from D. L. Bullock |
| 1996.12.20.08 | Re: Preserve the Words on the Rolls!, from Joyce Brite |
| 1996.12.19.16 | Preserve the Words on the Rolls!, from Craig Brougher |
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