Letter | Description | Signature | Date |
---|---|---|---|
![]() |
Antonio Veretti
>
Ricordi
No place |
LLET016208 | No date |
![]() |
Giacomo Lauri-Volpi
>
Ricordi
No place |
LLET016211 | No date |
![]() |
Luigi Nono
>
Ricordi
No place |
LLET016029 | No date |