Letter | Description | Signature | Date |
---|---|---|---|
|
Enrico Panofka
>
Ricordi
Baden-Baden, Germania |
LLET012299 | No date |
|
Federico Ricci
>
Ricordi
Baden-Baden, Germania |
LLET005557 | No date |
|
Jakob Rosenhain
>
Ricordi
Baden-Baden, Germania |
LLET014337 | No date |