Exhibition catalogue published in conjunction with show held at the National Gallery of Art, Washington, D.C., May 8 - September 5, 1994. Traveled to the Metropolitan Museum of Art, New York, October 11, 1994 - January 8, 1995, and to the Tate Gallery, London, February 15 - May 7, 1995. Essays by David Sylvester, Richard Shiff, and chronological catalogue compiled by Marla Prather. Includes a selected bibliography.