• 13 Music Scores
• 13 Sound Recordings
• 9 Videos, Slides, Films
• 5 Books

• 7 DVDs
• 6 Vinyl Records
• 5 Compact Discs
• 2 VHS Videocassettes

• 26 Operas
• 7 Attila, -453
• 7 Falstaff, John, Sir (Fictitious character)
• 5 Nebuchadnezzar II, King of Babylonia, -562 B.C
• 4 Carlos, Prince of Asturias, 1545-1568
• 4 Macbeth, King of Scotland, active 11th century
• 3 Othello (Fictitious character)
• 3 Verdi, Giuseppe, 1813-1901
• 2 Joan, of Arc, Saint, 1412-1431
• 2 Librettos
• 1 Boccanegra, Simone, -1363
• 1 Christian women saints
• 1 Courtesans
• 1 Courts and courtiers
• 1 Don Carlos
• 1 Falstaff
• 1 Foscari, Francesco, 1373-1457
• 1 Foscari, Jacopo, -1457
• 1 Live sound recordings
• 1 Man-woman relationships
• 1 Otello
• 1 Othello (Fictitious character from Shakespeare)
• 1 Revenge
• 1 Seduction
• 1 Shakespeare, William, 1564-1616

• 12 Shakespeare, William, 1564-1616
• 12 Solera, Temistocle, 1815-1878
• 11 Boito, Arrigo, 1842-1918
• 11 Piave, Francesco Maria, 1810-1876
• 6 Schiller, Friedrich, 1759-1805
• 4 Du Locle, Camille, 1832-1903
• 4 Méry, Joseph, 1798-1865
• 4 Porter, Andrew, 1928-2015
• 3 Kultur International Films
• 3 Metropolitan Opera (New York, N.Y.)
• 3 Werner, Friedrich Ludwig Zacharias, 1768-1823
• 2 Bruson, Renato
• 2 Chailly, Riccardo, 1953-
• 2 Christoff, Boris
• 2 Deutsche Grammophon (Firm)
• 2 Domingo, Plácido, 1941-
• 2 Elmo, Cloe
• 2 EuroArts Music International GmbH
• 2 Gardelli, Lamberto
• 2 Gobbi, Tito
• 2 Greenwald, Helen M.
• 2 Hampson, Thomas
• 2 Hugo, Victor, 1802-1885
• 2 Lloyd, Robert, 1940-

• 37 Italian
• 7 English
• 5 French

• 1 France

Limit year range