Letter | Description | Signature | Date |
---|---|---|---|
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Angelo Mariani
>
Eugenio Tornaghi
Genova Source: Archivio Storico Ricordi |
LLET010532 > | 1/3/1862 |
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Amilcare Ponchielli
>
Giulio Ricordi
San Pietroburgo, Russia Source: Archivio Storico Ricordi |
LLET013451 > | 19/10/1884 |