Letter | Description | Signature | Date |
---|---|---|---|
|
Riccardo Pick-Mangiagalli
>
Ricordi
Vienna, Austria |
LLET013535 | No date |
|
Riccardo Pick-Mangiagalli
>
Ricordi
Vienna, Austria |
LLET013542 | No date |
|
Pietro Mascagni
>
Ricordi
Vienna, Austria |
LLET010837 | No date |