Orfeo ed Euridice : azione teatrale in three acts / libretto by Raniero de Calzabigi ; music by Christoph Willibald Gluck ; as performed at the Teatro San Carlo, Naples in 1774 with alterations and additions by Johann Christian Bach ; introduction by Ernest Warburton. - New York ; London : Garland, 1987. - XXII, 99, 134, 32 c. ; 23x31 cm.