Paintings, Drawings, and Graphics, 1959-1979 : [exhibition] Museum of Art, Pennsylvania State University, University Park, Pa., July 5-Oct. 12, 1980 : Queens Museum, Flushing, New York, Nov. 8-Jan. 4, 1981 : Columbus Museum of Art, Columbus, Ohio, Jan. 17-Feb. 15, 1981 : Delaware Art Museum, Wilmington, Delaware, May 1-June 14, 1981