Letter | Description | Signature | Date |
---|---|---|---|
Gerenti Casa Ricordi
>
Umberto Brunelleschi
Milano |
CLET001846 | No date | |
Ricordi
>
Umberto Brunelleschi
Milano |
CLET001847 | No date | |
Carlo Clausetti
,
Renzo Valcarenghi
>
Umberto Brunelleschi
Milano |
CLET001848 | No date | |
|
Franco Vittadini
>
Guido Manneschi
Pavia |
LLET015248 | No date |