Letter | Description | Signature | Date |
---|---|---|---|
|
Pietro Mascagni
>
Ricordi
Roma Source: Archivio Storico Ricordi |
LLET010826 > | 30/4/1919 |
|
Vincenzo Michetti
>
Ricordi
Pesaro Source: Archivio Storico Ricordi |
LLET011978 > | 17/9/1922 |