Letter | Description | Signature | Date |
---|---|---|---|
|
Camillo Boito
>
Ricordi
No place |
LLET004440 | No date |
|
Giulio Ricordi
>
Arrigo Boito
Milano |
CLET001745 | No date |
|
Carlo Pedrotti
>
Ricordi
No place |
LLET012983 | No date |