Letter | Description | Signature | Date |
---|---|---|---|
|
Franco Colombo
>
Heinrich Sutermeister
No place Source: Archivio Storico Ricordi |
LLET020971 > | 7/2/1947 |
|
Ricordi
>
Heinrich Sutermeister
No place Source: Archivio Storico Ricordi |
LLET020974 > | 28/2/1947 |
|
Eugenio Clausetti
>
Heinrich Sutermeister
No place Source: Archivio Storico Ricordi |
LLET020976 > | 11/4/1947 |
|
Alfredo Colombo
,
Luigi Bai
>
Heinrich Sutermeister
No place Source: Archivio Storico Ricordi |
LLET028744 > | 11/5/1950 |