Letter | Description | Signature | Date |
---|---|---|---|
|
Achille De Lauzières
>
Ricordi
No place |
LLET009528 | No date |
|
Franco Faccio
>
Ricordi
No place |
LLET006857 | No date |
|
Luigi Nono
>
Ricordi
No place |
LLET016029 | No date |