Letter | Description | Signature | Date |
---|---|---|---|
|
Luigi Bai
,
Eugenio Clausetti
>
Roland Hafner
Milano Source: Archivio Storico Ricordi |
LLET025353 > | 28/4/1951 |
|
Roland Hafner
>
Ricordi
Würzburg, Germania Source: Archivio Storico Ricordi |
LLET025352 > | No date |