Letter | Description | Signature | Date |
---|---|---|---|
|
Luigi Bai
,
Eugenio Clausetti
>
Ottavio Ziino
No place Source: Archivio Storico Ricordi |
LLET029551 > | 10/2/1954 |
|
Luigi Bai
,
Guido Valcarenghi
>
Ottavio Ziino
No place Source: Archivio Storico Ricordi |
LLET029571 > | 30/7/1956 |