"Published on the occasion of an exhibition at the National Collection of Fine Arts, Smithsonian Institution, May 9-July 6, 1975, and the Pennsylvania...
"Published on the occasion of an exhibition at the National Collection of Fine Arts, Smithsonian Institution, May 9-July 6, 1975, and the Pennsylvania Academy of the Fine Arts, Peale House, Philadelphia, July 30-September 6, 1975."