Margit Staber. Fritz Glarner. Zürich, 1976, p. 132, ill., calls it "Relational Painting No. 64" and locates it in the collection of Mr. and Mrs. Armand Bartos, New York.
Lisa M. Messinger in "Twentieth Century Art." The Metropolitan Museum of Art: Notable Acquisitions, 1983–1984. New York, 1984, p. 94, ill., calls it "Relational Painting No. 64"; notes that this painting is the first work by the artist to enter the MMA's collection.