Letter | Description | Signature | Date |
---|---|---|---|
|
Alfredo Colombo
,
Eugenio Clausetti
>
Giuseppe Proto
Milano |
LLET027755 | No date |
|
Giuseppe Proto
>
Ricordi
No place |
LLET027756 | No date |
|
Giuseppe Proto
>
Ricordi
Nocera Inferiore, Salerno |
LLET027754 | No date |