Exhibition catalogue published in conjunction with show held at the Walker Art Center, Minneapolis, Minnesota, October 29, 1978 - January 7, 1979. Traveled to the San Francisco Museum of Art, February 18 - April 1, 1979; and to the Whitney Museum of American Art, New York, May 16 - July 8, 1979. Essays by Martin Friedman and Graham W.J. Beal, with commentaries by the artist. Includes chronology and bibliography. Printed in color and black-and-white.