Letter | Description | Signature | Date |
---|---|---|---|
|
Costantino Nigra
>
Giulio Ricordi
Vienna, Austria |
LLET016215 | No date |
|
Pietro Mascagni
>
Giulio Ricordi
Roma |
LLET010816 | No date |
|
Filippo Filippi
>
Giulio Ricordi
No place |
LLET007230 | No date |