Letter | Description | Signature | Date |
---|---|---|---|
|
Clara Maffei
>
Ricordi
Milano |
LLET009872 | No date |
|
Victor de Sabata
>
Ricordi
Milano |
LLET006602 | No date |
|
Ildebrando Pizzetti
>
Ricordi
Milano |
LLET013741 | No date |