The Spy Who Came in from the Cold Analysis
Adams, R. M. Review in The New York Review of Books. II (March 5, 1964), p. 13.
Boucher, Anthony. Review in The New York Times Book Review. L (January 12, 1964), p .5.
Palmer, Jerry. Thrillers: Genesis and Structure of a Popular Genre, 1979.
Symons, Julian. Mortal Consequences: A History from the Detective Story to the Crime Novel, 1973.