| Digest Nr | Subject and Author |
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| 2021.11.07.01 | FS: Lot of 12 Welte Licensee Rolls, from Dave Krall |
| 2021.01.31.02 | "A Mechanical Music Collector's 12 Days Of Christmas", from David Dewey |
| 2021.01.31.01 | "A Mechanical Music Collector's 12 Days Of Christmas", from Jochen Schäfer |
| 2021.01.30.03 | "A Mechanical Music Collector's 12 Days Of Christmas", from Andrew Lardieri |
| 2020.01.12.01 | FS: 12" Mira Discs, from Nancy Fratti |
| 2019.07.03.01 | Seek Mira 12" Disc #56 "Blumenlied", from Jack Perron |
| 2019.05.22.03 | Ampico Roll 71293, Dinner Music Series No. 12, from Donald Cochrane |
| 2017.01.26.01 | Seek 27-1/2" Symphonion With 12 Bells Information, from Bob Caletti |
| 2014.09.19.02 | 25" Komet Upright Disc Music Box with 12 Bells, from Leo Cohen |
| 2014.08.17.04 | Seek Duo-Art 70880 Etude 25, No. 12 by Cortot, from Bill Koenigsberg |
| 2012.01.28.02 | Model 12 Weber PEDA Piano Action Regulation, from Jonathan Holmes |
| 2011.10.09.01 | MOOS European Mechanical Organ Tour 12 Nov. 2011, from Peter Craig |
| 2011.02.26.05 | Restoring Weber Model 12 Pedal-Electric Duo-Art, from Jonathan Holmes |
| 2011.01.22.01 | Organ Rally in Riverside, Calif., 12 Feb. 2011, from Frank and Shirley Nix |
| 2010.12.29.02 | Seek Discs for 12" Mira Musical Box, from Kevin McCaskey |
| 2010.12.10.02 | Seek 12 cm Discs for 12-note Lucia Organette, from Peter Nahon |
| 2010.05.13.01 | Organ Rally 12 June 2010 in Richland, Washington, from Ingmar Krause |
| 2009.05.29.01 | Organ Rally 12 Sept 2009 in St. Louis, Missouri, from Gary Craig |
| 2008.01.09.01 | Regina 'Bell' Disc Musical Box With 12 Bells, from Kevin McElhone |
| 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 |
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