Exhibition catalogue published in conjunction with show held at the San Francisco Museum of Modern Art, December 14, 1989 - February 4, 1990. Traveled to the Hirshhorn Museum and Sculpture Garden, Smithsonian Institution, Washington, D.C., June 13 - September 9, 1990; and the Pennsylvania Academy of the Fine Arts, Philadelphia, October 5 - December 30, 1990. Includes list of illustrations, notes, chronology, bibliography, exhibition histories of the artists, exhibition checklist, and index.