Columbia subject headings:
Ayckbourn, Alan, 1939---Criticism and interpretation.
English drama--20th century--History and criticism.
Playwriting--History.
Harvard subject headings:
Ayckbourn, Alan, 1939---Criticism and interpretation.
English drama--20th century--History and criticism
Playwriting--History.
Princeton subject headings:
Ayckbourn, Alan, 1939---Criticism and interpretation.
English drama--20th century--History and criticism.
Playwriting--History.