Letter | Description | Signature | Date |
---|---|---|---|
|
Milano Source: Archivio Storico Ricordi |
CLET002675 > | 8/5/1914 |
|
Milano Source: Archivio Storico Ricordi |
CLET002768 > | 31/10/1914 |
|
Milano Source: Archivio Storico Ricordi |
CLET002679 > | 27/3/1915 |