Columbia subject headings:
Fo, Dario--Influence.
Fo, Dario--Political and social views.
Fo, Dario--Stage history.
Theater--Political aspects.
Harvard subject headings:
Fo, Dario--Influence.
Fo, Dario--Political and social views.
Fo, Dario--Stage history.
Theater--Political aspects.
Princeton subject headings:
Fo, Dario--Criticism and interpretation.