Letter | Description | Signature | Date |
---|---|---|---|
|
Filippo Filippi
>
Giulio Ricordi
Bologna |
LLET007140 | No date |
|
Amilcare Ponchielli
>
Giulio Ricordi
Roma |
LLET013361 | No date |
|
Arrigo Boito
>
Giulio Ricordi
Principato di Monaco |
LLET000144 | No date |