• 8 Music Library (Mills)

• 21 Sound Recordings
• 4 Videos, Slides, Films

• 4 Compact Discs
• 4 Vinyl Records
• 2 DVDs

• 17 Operas
• 3 Macbeth, King of Scotland, active 11th century
• 1 Attila, -453

• 25 Verdi, Giuseppe, 1813-1901
• 9 Ambrosian Opera Chorus
• 9 Cossotto, Fiorenza
• 9 Domingo, Plácido, 1941-
• 8 Raimondi, Ruggero
• 7 London Symphony Orchestra
• 6 Hugo, Victor, 1802-1885
• 6 Levine, James, 1943-2021
• 5 John Alldis Choir
• 5 Pavarotti, Luciano
• 5 Price, Leontyne
• 4 Bacquier, Gabriel
• 4 Carreras, José
• 4 Cotrubas, Ileana
• 4 Giaiotti, Bonaldo
• 4 Kleiber, Carlos, 1930-2004
• 4 Maffei, Andrea, 1798-1885
• 4 Metropolitan Opera (New York, N.Y.)
• 4 Muti, Riccardo
• 4 New Philharmonia Orchestra
• 4 Rivas, Angel de Saavedra, duque de, 1791-1865
• 3 Bayerische Staatsoper München. Chor
• 3 Bayerisches Staatsorchester

• 1 English

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