Letter | Description | Signature | Date |
---|---|---|---|
|
Luigi Bai
>
Rudolf Müller
Milano Source: Archivio Storico Ricordi |
LLET026250 > | 3/10/1950 |
|
Alfredo Colombo
,
Luigi Bai
>
Rudolf Müller
Milano Source: Archivio Storico Ricordi |
LLET026252 > | 11/10/1950 |