Letter | Description | Signature | Date |
---|---|---|---|
|
Emanuele Muzio
>
Ricordi
Parigi, Francia |
LLET011547 | No date |
|
Amilcare Ponchielli
>
Eugenio Tornaghi
Milano |
LLET013433 | No date |
|
Amilcare Ponchielli
>
Giulio Ricordi
No place |
LLET013345 | No date |