| Digest Nr | Subject and Author |
|---|
 |
| 2023.12.20.01 | "Oh Come Little Children" 13" Kalliope on YouTube, from Jochen Schäfer |
| 2022.12.31.01 | 'The Close of the Year' 13" Kalliope on YouTube, from Jochen Schäfer |
| 2018.12.04.01 | Unknown 13" Cylinder Music Box, from Eliyahu Shahar |
| 2018.12.03.01 | Unknown 13" Cylinder Music Box, from Nancy Fratti |
| 2018.12.02.02 | Unknown 13" Cylinder Music Box, from Luke Schaedle |
| 2017.03.22.02 | 13" Kalliope Concert on YouTube, from Jochen Schäfer |
| 2016.12.20.02 | 13" Kalliope Christmas Music on YouTube, from Jochen Schäfer |
| 2009.10.26.02 | Antheil's "Ballet mécanique," Boston, Nov. 13, 2009, from Roger Wiegand |
| 2009.08.09.03 | Symphonion 13 5/8" Discs Wanted, from Mark Buckland |
| 2009.08.07.05 | Symphonion 13 1/4" Discs Wanted, from Mark Buckland |
| 2005.05.26.02 | Conlon Nancarrow " 13 Studies for Player Piano", from Juergen Hocker |
| 2005.05.24.02 | Conlon Nancarrow " 13 Studies for Player Piano", from Jack M. Conway |
| 2004.09.20.01 | Introduction & Regina Style 13 Musical Box, from Allison Banks |
| 2003.07.07.02 | 13" Mermod Freres Musical Box, from Pam Sanders |
| 2002.03.10.01 | Tuning Scale of 13" Komet Music Box, from Joe Teagarden |
| 2002.03.08.01 | Tuning Scale of 13" Komet Music Box, from Jack Perron |
| 2002.03.07.01 | Tuning Scale of 13" Komet Music Box, from Ken Vinen |
| 2000.05.07.08 | fLOWer - Live RealAudio Webcast - 13 May 2000, from Karlheinz Essl |
| 1999.09.29.01 | Regina Style 13 Single Comb Player, from Jim Quashnock |
| 1999.09.10.02 | Clarence Hickman # 13 - President's Medal for Merit, from James L. Brady |
| 1998.06.11.01 | Organ Rally 13 June in Sierra Madre CA, from Robbie Rhodes |
| 1998.06.05.01 | Organ Rally 13 June in Sierra Madre CA, from Frank and Shirley Nix |
| 1997.09.11.01 | Jim Wells Auction, Saturday 13 September, from Matthew Caulfield |
|
