| Digest Nr | Subject and Author |
|---|
 |
| 2024.01.12.02 | FS: Set of 9 Harmonia 41.2cm Projectionless Discs, from Johan Goyvaerts |
| 2005.09.26.02 | Seek Disc for 16.5-inch Harmonia Disc Musical Box, from Ralph Schultz |
| 2004.12.15.01 | Seek Photo of Harmonia Disc Musical Box, from Kevin McElhone |
| 2004.12.06.01 | Seek Picture of Harmonia Disc Musical Box, from Kevin McElhone |
| 1998.07.13.04 | Value of Harmonia Disc Box, from Steve Greatrex |
| 1998.07.11.01 | Harmonia Disc Music Box, from Larry Greenfield |
| 1998.07.09.02 | Harmonia Disc Music Box, from Angelo Rulli |
| 1998.07.08.02 | Harmonia Disc Music Box, from Bill Wineburgh |
| 1998.07.07.01 | Harmonia Disc Music Box, from Steve Greatrex |
|
