| Digest Nr | Subject and Author |
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| 2023.09.14.02 | Vincent Lopez Ampico Rolls - Possible Arrangers, from Adam Aceto |
| 2021.06.29.02 | Possible Welte Barrel Organ in Argentina, from Christian Tedesco |
| 2019.04.08.02 | Possible Source for Rubberized Pneumatic Cloth, from John Farmer |
| 2019.04.06.01 | Possible Source for Rubberized Pneumatic Cloth, from David Dewey |
| 2019.04.03.01 | Possible Source for Rubberized Pneumatic Cloth, from David Leger |
| 2014.06.25.02 | Possible Nicole Freres Overture Musical Box, from Craig Smith |
| 2014.06.25.01 | Possible Nicole Freres Overture Musical Box, from Nancy Fratti |
| 2014.06.23.02 | Possible Nicole Freres Overture Musical Box, from Ira Prilik |
| 2014.05.30.01 | Possible 52-Note Mignon Organette, from Christofer Noering |
| 2014.03.28.03 | Possible Modern Player Piano from Steinway, from Bill Finch |
| 2013.01.20.01 | A Possible Touch Weight Solution, from John Del Carlo |
| 2012.03.18.04 | Possible Evidence of QRS & Aeolian Relationship, from Adam G. Ramet |
| 2007.03.02.03 | Possible Photoplayer Pipes, from Tom DeLay |
| 2007.03.01.04 | Possible Photoplayer Pipes, from Herbert Crandell |
| 2006.07.31.01 | Possible Roycroft Seen At AMICA 2006 Convention, from Bob Taylor |
| 2005.03.30.04 | Possible Musical Box Auction Scam, from Matthew Caulfield |
| 2005.03.30.03 | Possible Musical Box Auction Scam, from Luuk Goldhoorn |
| 2005.03.29.02 | Possible Musical Box Auction Scam, from Robert Loeffler |
| 2005.03.26.07 | Possible Musical Box Auction Scam, from Roger Waring |
| 2005.03.26.06 | Possible Musical Box Auction Scam, from Mark Chester |
| 2005.03.26.05 | Possible Musical Box Auction Scam, from Bill Mackin |
| 2005.03.26.04 | Possible Musical Box Auction Scam, from Mark Kinsler |
| 2005.03.25.01 | Possible Musical Box Auction Scam, from Terry Smythe |
| 2005.03.24.02 | Possible Musical Box Auction Scam, from Alan Fox |
| 2005.03.23.01 | Possible Musical Box Auction Scam, from Mike Moran |
| 2005.03.18.02 | Possible Musical Box Auction Scam, from Craig Smith |
| 2001.12.17.12 | Low Suction Air Motor & Other Possible Problems, from Craig Brougher |
| 2000.11.02.11 | Gathering Player Pianos for Possible Resale, from Roger Waring |
| 2000.10.24.06 | Gathering Player Pianos for Possible Resale, from John A. Tuttle |
| 1998.04.28.12 | Possible Trade: Steinway ex- Duo-Art, from Gary Rasmussen |
| 1997.11.18.10 | Possible Joplin Roll, from Susan Hoth |
| 1995.06.19.03 | Possible Mail Failure on Foxtail, from Jody Kravitz |
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