Letter | Description | Signature | Date |
---|---|---|---|
|
Joseph Schürmann
>
Ricordi
Firenze |
LLET014775 | No date |
|
Tito II Ricordi
>
Luigi Illica
Milano |
CLET001755 | No date |
|
Edoardo Mascheroni
>
Ricordi
Garlasco, Pavia |
LLET010893 | No date |
|
Alfred Brüggemann
>
Ricordi
Coblenza, Germania |
LLET003199 | No date |