Letter | Description | Signature | Date |
---|---|---|---|
|
Amilcare Ponchielli
>
Ricordi
No place |
LLET013405 | No date |
|
Filippo Filippi
>
Giulio Ricordi
No place |
LLET007167 | No date |
|
Filippo Filippi
>
Giulio Ricordi
No place |
LLET007168 | No date |