Letter | Description | Signature | Date |
---|---|---|---|
|
Carlo Pedrotti
>
Eugenio Tornaghi
Oropa, Biella |
LLET012910 | No date |
|
Carlo Pedrotti
>
Ricordi
Torino |
LLET012911 | No date |
|
Giulio Ricordi
>
Giuseppe Verdi
Milano |
CLET000505 | No date |
|
Tito II Ricordi
>
Luigi Illica
Milano |
CLET001766 | No date |