Letter | Description | Signature | Date |
---|---|---|---|
|
Franco Faccio
>
Ricordi
Ravenna |
LLET006851 | No date |
Ricordi
>
Luigi Piontelli
Milano |
CLET001893 | No date | |
|
Giulio Ricordi
>
Arrigo Boito
Milano |
CLET001745 | No date |