Columbia subject headings:
English fiction--History and criticism.
Popular culture--Great Britain--21st century.
Spies in literature.
Spy films--Great Britain--History and criticism.
Harvard subject headings:
English fiction--History and criticism
Popular culture--Great Britain--21st century.
Spies in literature.
Spy films--Great Britain--History and criticism.
Princeton subject headings:
English fiction--History and criticism.
Popular culture--Great Britain--21st century.
Spies in literature.
Spy films--Great Britain--History and criticism.