• 8 Music Library (Mills)

• 8 Videos, Slides, Films

• 5 Operas

• 4 British Broadcasting Corporation. Television Service
• 4 Kultur International Films
• 4 Verdi, Giuseppe, 1813-1901
• 3 Domingo, Plácido, 1941-
• 3 Puccini, Giacomo, 1858-1924
• 2 Cotrubas, Ileana
• 2 Covent Garden Pioneer
• 2 Covent Garden Video Productions
• 2 NVC Arts (Firm)
• 2 Ricciarelli, Katia
• 1 Abbado, Claudio
• 1 Allen, Thomas, 1944-
• 1 Belasco, David, 1853-1931
• 1 Boito, Arrigo, 1842-1918
• 1 British Broadcasting Corporation
• 1 Bruson, Renato
• 1 Burton, Humphrey, 1931-
• 1 Cappuccilli, Piero
• 1 Carreras, José
• 1 Carroli, Silvano
• 1 Cigna-Santi, Vittorio Amedeo
• 1 Civinini, G. (Guelfo), 1873-1954
• 1 Daniel, Paul, 1958-
• 1 Downes, Edward

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