• 4 DVDs
• 3 VHS Videocassettes

• 2 Operas
• 1 Boccanegra, Simone, -1363

• 4 Piave, Francesco Maria, 1810-1876
• 3 Levine, James, 1943-2021
• 3 Metropolitan Opera (New York, N.Y.)
• 3 Ricciarelli, Katia
• 3 Zeffirelli, Franco
• 2 Abbado, Claudio
• 2 Bruson, Renato
• 2 Cappuccilli, Piero
• 2 Chernov, Vladimir, 1953-
• 2 Del Monaco, Giancarlo, 1943-
• 2 Deutsche Grammophon (Firm)
• 2 Grist, Reri
• 2 Kultur International Films
• 2 Royal Opera House (London, England)
• 2 Schenk, Otto
• 2 Scribe, Eugène, 1791-1861
• 2 Somma, Antonio, 1809-1864
• 2 Teatro alla Scala
• 1 Baldiserri, Fiammetta
• 1 Boito, Arrigo, 1842-1918
• 1 Bonfadelli, Stefania
• 1 Brancaleoni, Elvezio, 1939-
• 1 Briccetti, Louisa

• 8 Italian

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