Critical Studies: Interviews in Life (New York), 4 November 1966, Paris Review, winter 1968, and New York Times Book Review, 10 April 1977; John Updike by Charles T. Samuels, Minneapolis, University of Minnesota Press, 1969; John Updike by Robert Detweiler, New York, Twayne, 1972, revised edition, 1984; John Updike: A Collection of Critical Essays edited by David Thorburn and Howard Eiland.