| Letter | Description | Signature | Date |
|---|---|---|---|
|
Achille De Lauzières
>
Ricordi
No place Source: Archivio Storico Ricordi |
LLET009529 > | No date |
|
Achille De Lauzières
>
Ricordi
No place Source: Archivio Storico Ricordi |
LLET009554 > | No date |
|
Achille De Lauzières
>
Giulio Ricordi
No place Source: Archivio Storico Ricordi |
LLET009588 > | No date |