Letter | Description | Signature | Date |
---|---|---|---|
|
Adriano Lualdi
>
Guido Valcarenghi
,
Luigi Bai
Firenze Source: Archivio Storico Ricordi |
LLET025586 > | 13/7/1953 |
|
Antonio Veretti
>
Luigi Bai
Firenze Source: Archivio Storico Ricordi |
LLET029253 > | 20/8/1956 |