Columbia subject headings:
Edgar, David, 1948---Criticism and interpretation.
Political plays, English--History and criticism.
Politics in literature.
Harvard subject headings:
Drama--Technique
Edgar, David, 1948---Criticism and interpretation.
Political plays, English--History and criticism.
Politics and literature--Great Britain--History--20th century.
Politics in literature.
Princeton subject headings:
Edgar, David, 1948---Criticism and interpretation.
Political plays, English--History and criticism.
Politics in literature.