Letter | Description | Signature | Date |
---|---|---|---|
|
R. De Martino
>
Ricordi
Torino Source: Archivio Storico Ricordi |
LLET023379 > | 15/6/1951 |
|
Alfredo Colombo
,
Eugenio Clausetti
>
R. De Martino
Milano Source: Archivio Storico Ricordi |
LLET023380 > | 19/6/1951 |