Verdi, Giuseppe, 1813-1901. Otello : : lyric drama in four acts / [electronic resource] / music by Giuseppe Verdi ; libretto by Arrigo Boito (founded on Shakespeare's tragedy) ; English version by Walter Ducloux.. — New York : : G. Schirmer,, [1963], c1962.. — vii, 25, 25 p. ; 27 cm. - G. Schirmer's collection of opera librettos.