Letter | Description | Signature | Date |
---|---|---|---|
|
Ricordi
>
Alma Mahler Welfer
No place Source: Archivio Storico Ricordi |
LLET025631 > | 2/7/1953 |
|
Luigi Bai
,
Guido Valcarenghi
>
Alma Mahler Welfer
No place Source: Archivio Storico Ricordi |
LLET025633 > | 14/2/1956 |