Letter | Description | Signature | Date |
---|---|---|---|
|
Riccardo Pick-Mangiagalli
>
Ricordi
Sommering, Austria |
LLET013548 | No date |
|
Lamberto Landi
>
Ricordi
Lucca |
LLET009405 | No date |
|
Italo Montemezzi
>
Ricordi
Milano |
LLET002970 | No date |