| Digest Nr | Subject and Author |
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| 2008.01.14.09 | Coinola " O" Roll Scale & Other Thoughts, from Don Teach |
| 2007.12.06.07 | Cozatt Calliope With " O" Roll Player, from Richard Moody |
| 2007.07.10.05 | Seek " O" Roll No. 869, from Kelly Goodman |
| 2007.06.01.08 | Seek "R. K. O. March" Piano Roll, from Bob Hodge |
| 2007.04.09.02 | Passing of John O. Davis, from Matthew Caulfield |
| 2007.01.11.06 | Miniature Steinway " O" Grand Pianola Piano, from Carl Dodrill |
| 2007.01.07.03 | Miniature Steinway " O" Grand Pianola Piano, from Jeffrey R. Wood |
| 2006.08.26.03 | " O" Roll Build-Up Orchestrions, from Andy Taylor |
| 2006.07.05.05 | "Some Sunny Day" On "A" & " O" Rolls, from Frank Himpsl |
| 2006.07.05.04 | "Red Wing" On "A" & " O" Rolls, from Frank Himpsl |
| 2006.07.04.03 | Seek "Some Sunny Day" as " O" or "A" Roll, from Steve Cobb |
| 2006.06.22.03 | Seek " O" Roll Spool Frame, from Vincent Thebault |
| 2006.06.12.04 | Seek List of Nickelodeon " O" Rolls, from James Huffer |
| 2006.04.17.06 | Pedal " O" Steinway, from Bruce Grimes |
| 2006.04.15.09 | Pedal " O" Steinway, from Carl Dodrill |
| 2006.04.14.12 | Pedal " O" Steinway, from Bruce Grimes |
| 2006.04.12.14 | Pedal " O" Steinway Available, from Bruce Grimes |
| 2006.03.27.09 | Seek " O" Roll O-1032 "Big Band Blast", from Steve Cobb |
| 2006.01.25.03 | Accordion Playing Style " O" Music Roll, from Vincent Thebault |
| 2006.01.07.06 | FS: Steinway " O" ex-Welte T-100, from Andy Struble |
| 2006.01.02.05 | Seek Peerless " O" Rolls, from William Endlein |
| 2005.12.31.10 | FS: A, G, O & Mills Rolls - A Major Glitch, from Don Teach |
| 2005.12.19.05 | Seek Coinola Style " O" Rolls to Copy, from Don Teach |
| 2005.12.14.06 | FS: Recut " O" Roll Columbia O-468, from Don Teach |
| 2005.10.25.09 | Horace O. Prell, U.S. Music Co. Artist, from Mike Kukral |
| 2005.09.30.10 | FS: Style "M" Rolls and " O" Rolls, from Don Teach |
| 2005.08.17.10 | FS: " O" Rolls Not Previously Recut, from Don Teach |
| 2005.08.09.04 | MIDI Files of " O" Rolls, from John McClelland |
| 2005.08.07.03 | Seek MIDI Files of " O" Rolls, from Ken Staley |
| 2005.07.29.05 | Seek Original " O" Rolls to Copy, from Don Teach |
| 2005.07.28.02 | Seek " O Canada" for 30-Note Pell Organ, from Brian Sanderson |
| 2005.07.19.09 | Seek Capitol " O" Roll 638, from Don Teach |
| 2005.07.19.08 | Seek Original " O" Rolls, from Don Teach |
| 2005.07.06.12 | FS: Hamburg Steinway " O" Pianola in Australia, from Boaz Kirschenbaum |
| 2005.05.29.04 | Original O Rolls Wanted For Copying, from Don Teach |
| 2005.04.27.07 | Seek Style " O" Rolls, from Mike Carey |
| 2005.04.01.03 | Recutting " O" Roll No. 903, from Don Teach |
| 2005.03.20.08 | Adding Pipes to " O" Roll Orchestrion, from Hal Davis |
| 2005.03.19.04 | Adding Pipes to " O" Roll Orchestrion, from John A. Tuttle |
| 2005.03.18.09 | Adding Pipes to " O" Roll Orchestrion, from John A. Tuttle |
| 2005.03.17.08 | Adding Pipes to " O" Roll Orchestrion, from Nicholas Simons |
| 2005.03.17.07 | Adding Pipes to " O" Roll Orchestrion, from Paul Camps |
| 2005.03.17.06 | Adding Pipes to " O" Roll Orchestrion, from Don Teach |
| 2005.01.07.01 | " O" Roll Orchestrion in Virginia City, Nevada, from Steve Bentley |
| 2004.08.14.02 | Seek Spool Frame for " O" Roll Nickelodeon, from Jeff Bridges |
| 2004.08.04.01 | Spool Frames for Style " O", "A" & "G" Rolls, from Terry Smythe |
| 2004.07.29.07 | FS: Nickelodeon Style " O" Music Rolls, from Don Teach |
| 2004.06.05.02 | Orchestrion Style " O" Rolls as MIDI Files, from Charlie Morgan |
| 2004.05.25.10 | Seek Orchestrion Style " O" Rolls as MIDI Files, from cmorgan |
| 2004.04.23.04 | Seek List of " O" Rolls Offered by Ray Siou, from Don Teach |
| 2004.04.14.09 | FS: Style " O" Music Rolls for Coin Pianos, from Don Teach |
| 2004.04.06.03 | Recutting Style " O", "M" and "NOS" Rolls, from Don Teach |
| 2004.03.22.02 | O Rolls for Coinola Type Pianos, from Don Teach |
| 2003.12.18.04 | Source of " O" Rolls of Christmas Music, from Larry Norman |
| 2003.12.17.07 | Seek " O" Rolls of Christmas Music, from Jim Quashnock |
| 2003.11.18.04 | Seek " O" Rolls, from Kent |
| 2003.11.12.01 | Ragtimer Johnny Maddox & Claes O. Friberg, from Gert J. Almind |
| 2003.11.11.02 | Seek Italian Music on " O" Rolls, from Vincent Morgan |
| 2003.10.26.06 | Seek I/ O Card for IBM Laptop Controlling Piano, from Jim Moore |
| 2003.09.04.17 | FS: Ampico and Style " O" Rolls, from Fritz Gellerman |
| 2003.07.27.04 | Claes O. Friberg & Mekanisk Musik Museum, from Christofer Noering |
| 2003.07.26.10 | Seek Nickelodeon " O" Rolls, from Gregory Filardo |
| 2003.07.26.01 | Klaes O. Friberg & Mekanisk Musik Museum, from Michael Woolf |
| 2003.05.31.02 | "Morning, Noon & Night in Vienna" on " O" Roll, from Art Reblitz |
| 2003.05.16.03 | Source of Nickelodeon " O" Rolls, from Kim Bunker |
| 2003.05.15.13 | Source of Nickelodeon " O" Rolls, from John A. Tuttle |
| 2003.05.14.14 | Seek Nickelodeon " O" Rolls, from alfredmueller4@aol.com |
| 2003.04.27.04 | New " O" Roll Available from Play-Rite, from Bill Masterman |
| 2003.04.10.07 | Price Paid for Piano Converted to Play " O" Rolls, from Roger Waring |
| 2003.04.02.09 | FS: New " O" Rolls Arranged by Steve Bentley, from Steve Bentley |
| 2003.03.02.10 | FS: " O" rolls, from George Fawkes |
| 2003.02.24.10 | " O" Roll vs. "G" Roll Nickelodeon, from Don Teach |
| 2003.02.21.05 | " O" Roll vs. "G" Roll Nickelodeon, from Phil Corso |
| 2003.01.23.13 | FS: New " O" Rolls Arranged by Steve Bentley, from Steve Bentley |
| 2002.10.10.03 | Horace O. Prell, U.S. Music Co. Artist, from Mike Kukral |
| 2002.10.09.03 | Seek Halloween Music On " O" Roll, from Al Pebworth |
| 2002.09.11.02 | My Homemade " O" Roll Orchestrion, from Fritz Gellerman |
| 2002.09.11.01 | My Homemade " O" Roll Orchestrion, from Andy Taylor |
| 2002.09.10.02 | My Homemade " O" Roll Orchestrion, from Gary Stevenson |
| 2002.09.09.02 | My Homemade " O" Roll Orchestrion, from Fritz Gellerman |
| 2002.09.08.05 | My Homemade " O" Roll Orchestrion, from Steve Bentley |
| 2002.04.16.06 | FS: " O" Roll Nickelodeon & Pipes & Xylophone, from Gary Hogan |
| 2002.03.13.04 | Source Of ' O' Rolls, from Kim Bunker |
| 2002.03.12.03 | Source of ' O' Rolls - Ragtime Automated Music, from Al Menashe |
| 2001.11.27.04 | Style " O" Rolls by Steve Bentley, from Bill Masterman |
| 2001.11.26.07 | Test Roll for Style " O" Roll Pianos, from Steve Bentley |
| 2001.11.24.06 | Player Pianos Converted to Play Coinola " O" Rolls, from Don Teach |
| 2001.05.08.06 | Peerless Plays " O" Roll on Style "A" Spool Frame, from Don Neilson |
| 2001.05.06.04 | " O" Roll Nickelodeon With Style "A" Spool Frame, from Steve Bentley |
| 2000.11.08.10 | FS: New Christmas Music, " O" and "A" Rolls, from George Bogatko |
| 2000.09.12.04 | M and O Rolls Wanted; Also Photoplayer, from Terry Hathaway |
| 1999.12.06.16 | FS: " O" Rolls, from Hal Davis |
| 1999.12.05.13 | Seek " O" Rolls, from Lou Kretchek |
| 1999.09.24.07 | " O" Tracker Bar Assignments, from Paul Ward |
| 1999.09.24.02 | Need Lyrics to " O Mein Papa", from Jack Hardman |
| 1999.09.24.01 | Need Lyrics to " O Mein Papa", from Walter Tenten |
| 1999.09.23.06 | " O" Tracker Bar Assignments, from Jim Quashnock |
| 1999.09.23.05 | " O" Tracker Bar Assignments, from John Rutoskey |
| 1999.09.23.01 | Need Lyrics to " O Mein Papa", from kjnapavly@aol.com |
| 1999.09.22.05 | " O" Tracker Bar Assignments, from Paul Ward |
| 1999.06.10.05 | Vendors of " O" Rolls, from John Rutoskey |
| 1999.06.10.04 | Vendors of " O" Rolls, from Bill Masterman |
| 1999.06.08.04 | Vendors of " O" Rolls, from John A. Tuttle |
| 1999.05.17.06 | "A" to " O" Music Format Conversion Underway, from George Bogatko |
| 1999.03.17.07 | Mystery ' O' Roll, from Ed Sprankle |
| 1999.03.14.06 | Mystery ' O' Roll, from Peter Coggins |
| 1998.11.20.08 | Source of Christmas Songs on " O" Rolls, from D. L. Bullock |
| 1998.08.14.07 | Source of " O" Rolls, from Jack M. Conway |
| 1998.08.13.12 | Seek " O" Rolls for Ragtime Nickelodeon, from Vic Marsilio |
| 1998.06.27.09 | Nickelodeon A, G & O Rolls, from Don Teach |
| 1998.04.04.23 | Coinolas and O Rolls, from Art Reblitz |
| 1998.04.04.21 | ' O' roll Orchestrions, from Peter Coggins |
| 1998.04.03.13 | Operators Piano Co. Style " O" Roll, from Don Teach |
| 1998.04.02.16 | " O" Roll Orchestrions, from John Rutoskey |
| 1998.03.07.06 | Seek O- and G-rolls, from Jonathan Holmes |
| 1997.11.06.16 | Hurdy Gurdy & "Herd o' Gurdies", from Craig Brougher |
| 1997.09.05.03 | Canadian Maple Leaf and " O Canada", from Mike Knudsen |
| 1997.08.29.08 | Seek APP Spools for Wurlitzer O Photoplayer, from Ron Schmuck |
| 1997.08.02.07 | O Roll Spool Question, from Bob Conant |
| 1997.07.30.06 | Source for " O" rolls..., from John Rutoskey |
| 1997.07.29.19 | Seek Original " O" Roll, from Jack M. Conway |
| 1997.07.29.18 | Seek " O" Roll, from Peter Coggins |
| 1997.07.29.06 | Favorite Songs on " O" and "M" Rolls, from Gerry Bay |
| 1997.07.28.12 | "M" and " O" Orchestrion Rolls, from Stan Rhine |
| 1997.07.26.10 | Seek Any Ol' " O" Roll, from Peter Coggins |
| 1997.07.24.10 | "M" Rolls vs. " O" Rolls, from Craig Brougher |
| 1997.07.23.08 | "M" Rolls vs. " O" Rolls, from John Rutoskey |
| 1997.07.21.17 | Cremona "M" Rolls vs. Coinola " O" Roll, from Don Teach |
| 1997.07.20.07 | "M" Rolls vs. " O" Rolls, from Craig Brougher |
| 1997.06.28.10 | FS: Steinway " O" Welte Organ Grand Piano, from Jack Hardman |
| 1997.06.26.16 | FS: Steinway " O" Red Welte, from Don Teach |
| 1997.05.13.10 | O Roll Wanted, from Bob Conant |
| 1997.05.08.11 | " O" Rolls, from Stephen Kent Goodman |
| 1997.05.06.03 | " O" Rolls, from Gerry Bay |
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