• 27 Music Library (Mills)

• 23 Books
• 9 Sound Recordings
• 4 Music Scores
• 1 Videos, Slides, Films

• 2 Vinyl Records
• 1 Compact Discs
• 1 VHS Videocassettes

• 27 Operas
• 5 Music
• 5 Verdi, Giuseppe, 1813-1901
• 4 Librettos
• 3 Wagner, Richard, 1813-1883
• 2 Porter, Andrew, 1928-2015
• 1 Carlos, Prince of Asturias, 1545-1568
• 1 Composers
• 1 Don Carlos
• 1 Falstaff
• 1 Falstaff, John, Sir (Fictitious character)
• 1 Forza del destino
• 1 Gluck, Christoph Willibald, Ritter von, 1714-1787
• 1 History
• 1 History and criticism
• 1 Librettists
• 1 Macbeth
• 1 Nebuchadnezzar II, King of Babylonia, -562 B.C
• 1 Opera
• 1 Orfeo ed Euridice
• 1 Otello
• 1 Othello (Fictitious character from Shakespeare)
• 1 Performance
• 1 Production and direction
• 1 Ring des Nibelungen. Götterdämmerung

• 31 Porter, Andrew, 1928-2015
• 15 Wagner, Richard, 1813-1883
• 9 Verdi, Giuseppe, 1813-1901
• 6 Goodall, Reginald
• 6 Porter, Andrew, 1928-
• 5 Hunter, Rita
• 5 Remedios, Alberto
• 4 Boito, Arrigo, 1842-1918
• 3 Bailey, Norman, 1933-
• 3 Curphey, Margaret
• 3 English National Opera
• 3 English National Opera. Orchestra
• 3 Grant, Clifford
• 3 Hammond-Stroud, Derek, 1926-2012
• 3 Shakespeare, William, 1564-1616
• 2 Dempsey, Gregory
• 2 Du Locle, Camille, 1832-1903
• 2 Haugland, Aage, 1944-2000
• 2 Méry, Joseph, 1798-1865
• 2 Piave, Francesco Maria, 1810-1876
• 2 Pring, Katherine
• 2 Romani, Felice, 1788-1865
• 2 Rosen, David, 1938-
• 2 Rossini, Gioacchino, 1792-1868
• 2 Sadler's Wells Opera Company

• 9 Italian
• 6 German
• 1 French

• 4 New York
• 4 New York (State)

• 16 Librettos
• 5 Drama
• 4 Operas
• 4 Vocal scores with piano
• 2 librettos (documents for music)
• 1 Interviews
• 1 Music
• 1 Opera films
• 1 Reviews

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