| Letter | Description | Signature | Date |
|---|---|---|---|
|
Guido Valcarenghi
,
Eugenio Clausetti
,
Ricordi
>
Ildebrando Pizzetti
No place Source: Archivio Storico Ricordi |
LLET027243 > | 20/12/1954 |
|
Guido Valcarenghi
>
Elsa Respighi Olivieri Sangiacomo
No place Source: Archivio Storico Ricordi |
LLET017683 > | 6/4/1955 |
|
Eugenio Clausetti
,
Guido Valcarenghi
>
Ildebrando Pizzetti
No place Source: Archivio Storico Ricordi |
LLET027249 > | 4/6/1955 |
|
Guido Valcarenghi
,
Eugenio Clausetti
>
Gaspare Scuderi
No place Source: Archivio Storico Ricordi |
LLET028534 > | 9/11/1955 |
|
Guido Valcarenghi
,
Eugenio Clausetti
>
Gian Carlo Menotti
No place Source: Archivio Storico Ricordi |
LLET025955 > | 30/11/1955 |
|
Guido Valcarenghi
>
Elsa Respighi Olivieri Sangiacomo
No place Source: Archivio Storico Ricordi |
LLET017707 > | 19/1/1956 |
|
Guido Valcarenghi
>
Antonio Veretti
No place Source: Archivio Storico Ricordi |
LLET029232 > | 19/1/1956 |
|
Guido Valcarenghi
,
Eugenio Clausetti
>
Nino Rota
No place Source: Archivio Storico Ricordi |
LLET028211 > | 26/1/1956 |
|
Guido Valcarenghi
,
Eugenio Clausetti
>
Nino Rota
No place Source: Archivio Storico Ricordi |
LLET028213 > | 27/1/1956 |