Letter | Description | Signature | Date |
---|---|---|---|
|
Mario Pasquale Costa
>
Ricordi
Milano |
LLET003403 | No date |
|
Adriano Lualdi
>
Ricordi
Milano |
LLET009752 | No date |
|
Luciano Chailly
>
Ricordi
Milano |
LLET022603 | No date |
|
Luigi Nono
>
Ricordi
Milano |
LLET016093 | No date |