Columbia subject headings:
Theater--Italy--History--20th century.
Viviani, Raffaele, 1888-1950--Criticism and interpretation.
Harvard subject headings:
Theater--Italy--History--20th century
Viviani, Raffaele, 1888-1950--Criticism and interpretation.
Princeton subject headings:
Theater--Italy--History--20th century.
Viviani, Raffaele, 1888-1950--Criticism and interpretation.