Exhibition catalogue published in conjunction with retrospective show held at the Museum of Modern Art, New York, February 19 - April 8, 1962. Traveled to the Art Institute of Chicago, Illinois, May 11 - June 17, 1962; and the Los Angeles County Museum of Art, California, July 10 - August 12, 1962. Includes texts by Peter Selz and Dubuffet. With color and black-and-white illustrations throughout. Also includes notes to the text, exhibition history, bibliography, and index to illustrations.