| Digest Nr | Subject and Author |
|---|
 |
| 2023.03.15.02 | Ampico Rolls Played By Josef Hofmann, from Allen Ford |
| 2023.03.15.01 | Chopin Scherzo No. 1 Op. 20 by Hofmann for Ampico, from Donald Cochrane |
| 2023.03.13.01 | Chopin Scherzo No. 1 Op. 20 by Hofmann for Ampico, from Jerry Pell |
| 2021.06.17.03 | Seek Recutting "The Sanctuary" by Josef Hofmann, from Robert Smith |
| 2021.01.09.02 | Seek Recutting "The Sanctuary" by Josef Hofmann, from Thomas Binnall |
| 2017.06.18.02 | Hofmann, Schelling & Rubner in Welte Concert, from Jim Miller |
| 2007.03.28.02 | Composition by Duo-Art Artist Josef Hofmann, from Adam G. Ramet |
| 1997.10.31.06 | Books about Josef Hofmann, from Larry Lobel |
| 1997.10.30.07 | Expression Recording Patent by Josef Hofmann, from Bob Taylor |
| 1997.10.29.15 | Expression Recording Patent by Josef Hofmann, from Larry Lobel |
| 1997.10.27.06 | Expression Recording Patent by Josef Hofmann, from Michael Swanson |
|
