Inscription: Signed and dated (lower right): A 49; signed, dated, and inscribed (verso): ¦Indicating Solids¦/ Albers '49 [Artist's description of media on verso]
the artist, New Haven and Orange, Conn. (1949–72; his gift to MMA)
New York. The Metropolitan Museum of Art. "New York Painting and Sculpture: 1940–1970," October 18, 1969–February 1, 1970, no. 3 (lent by the artist).
New York. The Metropolitan Museum of Art. "Josef Albers at The Metropolitan Museum of Art: An Exhibition of His Paintings and Prints," November 19, 1971–January 11, 1972, not in catalogue.
Henry Geldzahler in "Twentieth Century Art." The Metropolitan Museum of Art: Notable Acquisitions, 1965–1975. New York, 1975, pp. 216–17, ill.