The Art of the Real: U.S.A. 1948-1968, The Museum of Modern Art, New York, New York, July 3 – September 8, 1968; Grand Palais, Paris, France, November 14 – December 23, 1968; Kunsthaus, Zürich, Switzerland, January 18 – February 18, 1969; Tate Gallery, London, England, April 22