Letter | Description | Signature | Date |
---|---|---|---|
|
Luigi Rognoni
>
Guido Valcarenghi
Milano Source: Archivio Storico Ricordi |
LLET028023 > | 8/3/1955 |
|
Ricordi
>
Luigi Rognoni
Milano Source: Archivio Storico Ricordi |
LLET028025 > | 16/5/1956 |