Exhibitions Catalogue published in conjunction with show held at The Art Gallery of Toronto, Toronto, February 12 - March 20, 1966. Traveled to the Philadelphia Museum of Art, Philadelphia, April 8 - May 9, 1966; and the Gemeentemuseum, The Hague, June 15 - August 7, 1966. Text by Robert P. Welsh, Robert Rosenblum, and Michel Seuphor. Includes chronology and bibliography. Illustrations throughout in black-and-white and color.
