Columbia subject headings:
Mazzone, Alfredo.
Theater--Italy--Vizzini.
Verga, Giovanni, 1840-1922--Adaptations.
Harvard subject headings:
Mazzone, Alfredo.
Theater--Italy--Vizzini.
Verga, Giovanni, 1840-1922--Adaptations.
Princeton subject headings:
Verga, Giovanni, 1840-1922--Adaptations.