Columbia subject headings:
Friel, Brian--Criticism and interpretation.
Ireland--In literature.
National characteristics, Irish, in literature.
Northern Ireland--In literature.
Harvard subject headings:
Friel, Brian--Criticism and interpretation.
National characteristics, Irish, in literature.
Northern Ireland--In literature.
Theater--Ireland--History--20th century.
Princeton subject headings:
Friel, Brian--Criticism and interpretation.
Ireland--In literature.
National characteristics, Irish, in literature.
Northern Ireland--In literature.