Letter | Description | Signature | Date |
---|---|---|---|
Maddalena Mariani Masi
>
Ricordi
Firenze |
LLET010196 | No date | |
Maddalena Mariani Masi
>
Ricordi
Buenos Aires, Argentina |
LLET010198 | No date | |
|
Amilcare Ponchielli
>
Giulio Ricordi
San Pietroburgo, Russia |
LLET013451 | No date |