Letter | Description | Signature | Date |
---|---|---|---|
|
Adolfo Kandler
>
Ricordi
Innsbruck, Austria Source: Archivio Storico Ricordi |
LLET025407 > | 19/4/1950 |
|
Luigi Bai
,
Alfredo Colombo
>
Adolfo Kandler
Milano Source: Archivio Storico Ricordi |
LLET025408 > | 21/4/1950 |