Letter | Description | Signature | Date |
---|---|---|---|
|
Claudio Guastalla
>
Ricordi
Roma |
LLET008922 | No date |
|
Claudio Guastalla
>
Carlo Clausetti
Roma |
LLET008917 | No date |
|
Vittorio Gui
>
Gerenti Casa Ricordi
Milano |
LLET009048 | No date |