Michel Foucault (1926–1984) was a prominent twentieth-century French philosopher, who wrote prolifically.
New York: Harper and Row (1976) reprinted as Madness: The Invention of an Idea.
New York: Harper Perennial (2011) Paris: Plon Abridged; translated by R. Howard.
London: Routledge (2006) Paris: Presses Universitaires de France.
Richard Lynch's bibliography of Foucault's shorter work is invaluable for keeping track of these multiple versions.