Columbia subject headings:
Broadcasters--Ireland--Biography.
Dramatists, Irish--20th century--Biography.
Harvard subject headings:
Dramatists, Irish--20th century--Biography.
Ireland--Intellectual life--20th century.
Johnston, Denis, 1901-1984
Princeton subject headings:
Dramatists, Irish--20th century--Biography.
Ireland--Intellectual life--20th century.
Johnston, Denis, 1901---Biography.