| Digest Nr | Subject and Author |
|---|
 |
| 2015.05.26.03 | FS: Heller Grand Format Musical Box, from Uwe Breker |
| 2015.04.16.01 | Musical Box Dealer J. H. Heller of Bern, from Paul Bellamy |
| 2015.04.15.01 | Musical Box Dealer J. H. Heller of Bern, from Nancy Fratti |
| 2015.04.13.01 | Visiting Musical Box Dealer J. H. Heller of Bern, from Charlotte Wathey |
| 2013.01.22.03 | Music Box Maker Johann Heinrich Heller, from Lorne Seaton |
| 2008.09.30.01 | Musical Box Dealer J.H. Heller of Bern, from Ralf Smolne |
| 2008.09.29.01 | Musical Box Manufacturer J.H. Heller of Bern, from Martin Tengstrom |
| 2005.05.04.03 | Seeking Heller Information And Anecdotes, from Patricia Baker |
| 2001.05.23.03 | 89-Key Gavioli Organ From the Heller Hoard, from Jeff Alterman |
| 2001.05.22.01 | The Heller Hoard of Fairground Organs, from Matthew Caulfield |
| 1997.09.07.03 | The Heller Coin, from Jan Kijlstra |
| 1997.09.06.02 | The ' Heller' Coin for Symphonion, from Alan Fox |
|
