Letter | Description | Signature | Date |
---|---|---|---|
|
Pietro Mascagni
>
Ricordi
Pesaro |
LLET010802 | No date |
|
Pietro Mascagni
>
Ricordi
Pesaro |
LLET010806 | No date |
|
Tito II Ricordi
>
Luigi Illica
Milano |
CLET001765 | No date |