Columbia subject headings:
Harvard subject headings:
Biographies
Espionage, Soviet--Great Britain--History.
Great Britain. Foreign Office--Biography.
Maclean, Donald, 1913-1983
Spies--Great Britain--Biography
Spies--Soviet Union--Biography
True crime stories
Princeton subject headings:
Espionage, Soviet--Great Britain--History.
Maclean, Donald, 1913-1983.
Spies--Great Britain--Biography.
Spies--Soviet Union--Biography.