Letter | Description | Signature | Date |
---|---|---|---|
|
Carlo Pedrotti
>
Ricordi
Torino |
LLET012930 | No date |
|
Emanuele Muzio
>
Ricordi
New York, Stati Uniti |
LLET011537 | No date |
|
Emanuele Muzio
>
Ricordi
New York, Stati Uniti |
LLET011538 | No date |
|
Alfred Brüggemann
>
Ricordi
Coblenza, Germania |
LLET003201 | No date |