Philadelphia, PA & New York & Chicago, IL: Philadelphia Museum of Art / The Museum of Modern Art / The Art Institute of Chicago, 1973. First edition. Softcover. 40 pages. Exhibition catalog for a show that ran September 22 through November 11, 1973 in Philadelphia, PA and then traveled to New York and Chicago for additional dates. Foreword by Richard E. Oldenburg. Essay by Anne d'Harnoncourt. Includes a checklist for the 292 items in the show. A near fine copy in stapled wrappers.