| Digest Nr | Subject and Author |
|---|
 |
| 2017.10.18.01 | Seek Heintzman 9-foot Grand With Welte Licensee, from Gordon Stelter |
| 2017.02.02.03 | Importing Heintzman Player Piano from Canada, from Thomas Binnall |
| 2013.12.30.03 | Gerhard Heintzman Player Piano, from John A. Tuttle |
| 2007.03.16.12 | Unknown Player Action in Heintzman Piano, from John A. Tuttle |
| 2002.11.22.15 | Seek Tubing Diagram for Heintzman Mozart Player, from Kevin Woodbeck |
| 2000.08.22.08 | Source of Heintzman Decals, from Ron Schmuck |
| 2000.08.21.11 | Decal for Heintzman & Co. Piano, from Tim Mattice |
| 2000.08.19.05 | Seek Decal for Heintzman & Co. Piano, from Spencer Brooks |
| 1999.02.05.12 | Heintzman Piano With Aluminum Player Action, from Colin Hinz |
| 1999.01.31.11 | Heintzman Piano With Aluminum Player Action, from Spencer Brooks |
| 1997.11.22.10 | Heintzman with Otto Higel Stack, from Dan Armstrong |
|
