Letter | Description | Signature | Date |
---|---|---|---|
|
Amilcare Ponchielli
>
Giulio Ricordi
No place |
LLET013462 | No date |
|
Alfred Roller
>
Ricordi
Vienna, Austria |
LLET031096 | No date |
|
Luigi Illica
>
Giulio Ricordi
No place |
LLET000292 | No date |