Letter | Description | Signature | Date |
---|---|---|---|
|
Amilcare Ponchielli
>
Giulio Ricordi
Bologna |
LLET013322 | No date |
|
Amilcare Ponchielli
>
Giulio Ricordi
Barco, Reggio Emilia |
LLET013343 | No date |
|
Filippo Filippi
>
Giulio Ricordi
Firenze |
LLET007193 | No date |