| Digest Nr | Subject and Author |
|---|
 |
| 2016.11.13.05 | FS Free: Orphan Organ Barrels, Spirally Pinned, from William Edgerton |
| 2013.07.01.03 | FS Free: Unknown Orphan Player Piano Stack, from Troy Taylor |
| 2013.03.04.03 | Seek Orphan Organ Barrels Sold at Auction, from Mark Pichla |
| 2012.11.03.01 | Orphan Barrel for Pistor Barrel Organ, from Craig Smith |
| 2010.04.27.01 | Orphan Cylinders for Mermod Freres Musical Box, from Lelland Fletcher |
| 2009.06.03.04 | FS: Orphan Musical Box Cylinders & Music Rolls, from Don Day |
| 2008.09.04.01 | Register of Orphan Interchangeable Cylinders, from Brian Chesters |
| 1998.08.05.03 | MBSI Orphan Cylinder Program, from Larry Greenfield |
|
