Letter | Description | Signature | Date |
---|---|---|---|
|
Pietro Montani
>
Guido Valcarenghi
Milano Source: Archivio Storico Ricordi |
LLET028614 > | 26/3/1956 |
|
Mario Sirianni
>
Guido Valcarenghi
Milano Source: Archivio Storico Ricordi |
LLET028618 > | 4/5/1956 |