| Letter | Description | Signature | Date |
|---|---|---|---|
|
Arrigo Boito
>
Eugenio Tornaghi
No place Source: Archivio Storico Ricordi |
LLET000108 > | 2/7/1901 |
|
Arrigo Boito
>
Eugenio Tornaghi
No place Source: Archivio Storico Ricordi |
LLET000116 > | 2/7/1906 |
|
Arrigo Boito
>
Eugenio Tornaghi
No place Source: Archivio Storico Ricordi |
LLET000038 > | No date |