• 3 Music Library (Mills)

• 4 Videos, Slides, Films

• 1 Horne, Marilyn
• 1 Operas

• 4 Deutsche Grammophon (Firm)
• 3 Domingo, Plácido, 1941-
• 3 Metropolitan Opera (New York, N.Y.)
• 3 Monk, Allan
• 2 Piave, Francesco Maria, 1810-1876
• 2 Plishka, Paul, 1941-
• 2 Stratas, Teresa
• 2 Verdi, Giuseppe, 1813-1901
• 2 Zeffirelli, Franco
• 1 Accent Films B.V.
• 1 Ahlstedt, Douglas
• 1 Anelli, Angelo, 1761-1820
• 1 Anthony, Charles, 1929-2012
• 1 Barbacini, Maurizio
• 1 Bater, Glenn
• 1 Battle, Kathleen
• 1 Ben Ammar, Tarek
• 1 Browning, Kirk, 1921-2008
• 1 Cei, Pina, 1904-2000
• 1 Chernov, Vladimir, 1953-
• 1 Chester, Kenn
• 1 Copley, John, 1933-
• 1 Creech, Philip
• 1 Croft, Dwayne

• 3 Operas
• 1 Feature films
• 1 Fiction films
• 1 Film adaptations
• 1 Interviews

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