Letter | Description | Signature | Date |
---|---|---|---|
|
Amilcare Zanella
>
Ricordi
Pesaro Source: Archivio Storico Ricordi |
LLET015361 > | 12/2/1931 |
|
Ildebrando Pizzetti
>
Ricordi
Roma Source: Archivio Storico Ricordi |
LLET017239 > | 17/4/1943 |