Letter | Description | Signature | Date |
---|---|---|---|
|
Ottorino Respighi
>
Ricordi
Milano |
LLET017522 | No date |
|
Ottorino Respighi
>
Ricordi
Roma |
LLET017543 | No date |
|
Ildebrando Pizzetti
>
Ricordi
,
Guido Valcarenghi
Roma |
LLET017369 | No date |