In 1956 Jacques Lacan proposed as interpretation of Edgar Allan Poe's "Purloined Letter" that at once challenged literary theorists and revealed a radically new conception of psychoanalysis. Lacan's far-reaching claims about language and truth provoked a vigorous critique by Jacques Derrida, whose essay in turn has spawned further responses from Barbara Johnson, Jane Gallop, Irene Harvey, Norman Holland, and others. The Purloined Poe brings...