Letter | Description | Signature | Date |
---|---|---|---|
|
Ildebrando Pizzetti
>
Ricordi
Milano |
LLET017197 | No date |
|
Riccardo Pick-Mangiagalli
>
Ricordi
Milano |
LLET013562 | No date |
|
Bruno Bettinelli
>
Ricordi
Milano |
LLET018184 | No date |
|
Gian Francesco Malipiero
>
Ricordi
Milano |
LLET017156 | No date |