Columbia subject headings:
English fiction--20th century--History and criticism.
Great Britain--In literature.
Narration (Rhetoric)
Politics in literature.
Spy stories, English--History and criticism.
Harvard subject headings:
English fiction--20th century--History and criticism
Espionage in literature.
Great Britain--In literature.
Narration (Rhetoric)
Politics and literature--Great Britain--History--20th century.
Spies in literature.
Spy stories, English--History and criticism.
Princeton subject headings:
English fiction--20th century--History and criticism.
Great Britain--In literature.
Narration (Rhetoric)
Politics in literature.
Spy stories, English--History and criticism.