Letter | Description | Signature | Date |
---|---|---|---|
|
Guido Valcarenghi
>
Elsa Respighi Olivieri Sangiacomo
Buenos Aires, Argentina |
LLET017612 | No date |
|
Luigi Bai
,
Guido Valcarenghi
>
Sergiu Celibidache
No place |
LLET031017 | No date |