Letter | Description | Signature | Date |
---|---|---|---|
|
Guido Guerrini
>
Ricordi
Bologna |
LLET008953 | No date |
|
Guido Guerrini
>
Ricordi
Firenze |
LLET008977 | No date |
|
Riccardo Zandonai
>
Ricordi
Roma |
LLET015760 | No date |