Letter | Description | Signature | Date |
---|---|---|---|
Ricordi
>
Ricordi Londra
Milano |
CLET002312 | No date | |
|
Alfred Brüggemann
>
Ricordi
Coblenza, Germania |
LLET003124 | No date |
|
Alfred Brüggemann
>
Ricordi
Aquisgrana, Germania |
LLET003125 | No date |