Letter | Description | Signature | Date |
---|---|---|---|
|
Hans Georg Schuetz
>
Alfredo Colombo
Berlino, Germania Source: Archivio Storico Ricordi |
LLET020900 > | 11/3/1947 |
|
Alfredo Colombo
,
Eugenio Clausetti
>
Hans Georg Schuetz
Milano Source: Archivio Storico Ricordi |
LLET020901 > | 28/3/1947 |