Letter | Description | Signature | Date |
---|---|---|---|
|
Domenico Oliva
>
Ricordi
Milano |
LLET012144 | No date |
|
Alfred Brüggemann
>
Ricordi
Coblenza, Germania |
LLET003199 | No date |
|
Gigliola Frazzoni
>
Ricordi
Bologna |
LLET016188 | No date |