Letter | Description | Signature | Date |
---|---|---|---|
|
Alberto Franchetti
>
Ricordi
Firenze |
LLET007675 | No date |
|
Alfred Brüggemann
>
Ricordi
Coblenza, Germania |
LLET003207 | No date |
|
Guido Valcarenghi
>
Elsa Respighi Olivieri Sangiacomo
Buenos Aires, Argentina |
LLET017589 | No date |