| Digest Nr | Subject and Author |
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| 2008.01.09.01 | Regina 'Bell' Disc Musical Box With 12 Bells, from Kevin McElhone |
| 2007.11.15.01 | Large Mechanical Music Auction, Chartres, 12/2/2007, from Philippe Rouillé |
| 2006.02.16.07 | Clark 'A' Roll "Radio Review # 12" Recut, from Larry Emmons |
| 2005.11.28.01 | Seek 12-, 14- & 18-note Organette Music Discs, from Kevin McElhone |
| 2004.10.21.06 | Weber Model 12 Pedal Electric Duo-Art Grand, from Jonathan Holmes |
| 2003.04.20.03 | Source of Discs for 12" Mira Musical Box, from Marvin Polan |
| 2003.04.19.02 | Seek Discs for 12" Mira Musical Box, from Mark Singleton |
| 2002.05.23.01 | Chartres Auction 12 May 2002 - Prices Paid, from Philippe Rouillé |
| 2002.05.14.01 | Chartres Auction 12 May 2002 - Prices Paid, from Philippe Rouillé |
| 2002.05.01.02 | Chartres Auction 12 May 2002, from Robbie Rhodes |
| 2001.11.30.09 | Seek Liszt Hungarian Rhapsody No. 12, from Jill Miller |
| 2000.09.12.03 | Wurlitzer Style 12 PianOrchestra, from Terry Hathaway |
| 2000.05.25.04 | FS: 12 Stopped Diapason Pipes, from Stephen Kent Goodman |
| 1999.09.07.07 | Clarence Hickman # 12 - Awards & Societies, from James L. Brady |
| 1999.06.07.01 | Organ Rally in Topeka, Kansas on June 12, from Joyce Brite |
| 1999.03.18.09 | FS: Mason & Hamlin Style 12 Chapel Organ, from Hal Davis |
| 1998.11.13.01 | Prices at St. Louis Auction 12 Nov 1998, from Werner Grunbaum |
| 1998.04.21.02 | Seek Combs for 12" Miraphone, from Galen Bird |
| 1998.02.16.07 | Seeking 12" Record Jackets or Albums, from Jim Edwards |
| 1997.02.23.05 | Testing 12/inch Player Organs, from Richard Vance |
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