• 2 Music Library (Mills)

• 9 Sound Recordings

• 3 Vinyl Records

• 2 Operas
• 1 García Gutiérrez, Antonio, 1813-1884
• 1 Trovador

• 6 Verdi, Giuseppe, 1813-1901
• 5 Panerai, Rolando
• 4 Merriman, Nan
• 4 Philharmonia Chorus (London, England)
• 4 Philharmonia Orchestra (London, England)
• 4 Schwarzkopf, Elisabeth
• 3 Barbieri, Fedora
• 3 Cappuccilli, Piero
• 3 Ercolani, Renato
• 3 Zaccaria, Nicola
• 2 Alva, Luigi
• 2 Baltsa, Agnes
• 2 Berliner Philharmoniker
• 2 Boito, Arrigo, 1842-1918
• 2 Bruscantini, Sesto
• 2 Cammarano, Salvatore, 1801-1852
• 2 Carreras, José
• 2 Da Ponte, Lorenzo, 1749-1838
• 2 Dam, José van
• 2 Di Stefano, Giuseppe, 1921-2008
• 2 Freni, Mirella, 1935-2020
• 2 Ghiaurov, Nicolai, 1929-2004
• 2 Gobbi, Tito
• 2 Konzertvereinigung Wiener Staatsopernchor

• 2 Librettos
• 1 Musical settings

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