Letter | Description | Signature | Date |
---|---|---|---|
|
Alfredo Soffredini
>
Ricordi
Milano |
LLET014846 | No date |
|
Ildebrando Pizzetti
>
Ricordi
Milano |
LLET017197 | No date |
|
Luciano Chailly
>
Ricordi
Milano |
LLET022619 | No date |