Letter | Description | Signature | Date |
---|---|---|---|
|
Eugenio Clausetti
,
Mimma Guastoni
,
Luciana Pestalozza Abbado
,
Guido Valcarenghi
,
Teresita Beretta
>
Luigi Nono
No place Source: Archivio Storico Ricordi |
LLET030558 > | 27/1/1984 |