1854 novel written by Francesco Domenico Guerrazzi

opera composed by Vincenzo Antonio Petrali. First representation at Teatro di Santa Radegonda, Milan

1827 novel by Francesco Domenico Guerrazzi

lyric drama in 5 acts composed by Erennio Gammieri. First representation in 1877 at Teatro Imperiale dell'Opera Italiana, Saint Peterburg

lyric drama in 4 acts composed by Eugenio Terziani. First representation in 1883 at Teatro Apollo, Rome