Letter | Description | Signature | Date |
---|---|---|---|
|
Léon Escudier
>
Ricordi
Parigi, Francia |
LLET006736 | No date |
|
Enrico Ketterer
>
Ricordi
No place |
LLET009260 | No date |
|
Carlo Pedrotti
>
Ricordi
Pesaro |
LLET013070 | No date |