• 7 Music Library (Mills)

• 18 Sound Recordings
• 2 Videos, Slides, Films

• 4 Vinyl Records
• 1 Compact Discs
• 1 DVDs
• 1 VHS Videocassettes

• 15 Operas
• 1 Americans
• 1 Interracial marriage
• 1 Man-woman relationships
• 1 Motion picture music

• 17 Illica, Luigi, 1857-1919
• 14 Callas, Maria, 1923-1977
• 11 Di Stefano, Giuseppe, 1921-2008
• 9 De Sabata, Victor, 1892-1967
• 9 Gobbi, Tito
• 8 Sardou, Victorien, 1831-1908
• 3 Borriello, Mario
• 3 Danieli, Lucia
• 3 Gedda, Nicolai
• 3 Karajan, Herbert von
• 3 Murger, Henri, 1822-1861
• 2 Alagna, Roberto
• 2 Badioli, Carlo
• 2 Calabrese, Franco
• 2 Chailly, Riccardo, 1953-
• 2 Conservatorio di musica Giuseppe Verdi (Milan, Italy). Coro di voci bianche
• 2 D'Arcangelo, Ildebrando
• 2 De Candia, Roberto
• 2 Dvorský, Peter, 1951-
• 2 Gheorghiu, Angela
• 2 Hayashi, Yasuko, 1943-
• 2 Keenlyside, Simon

• 1 Japan

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