Studio International, vol. 175, June 1968, p. 297, illustrated.
R. Kudielka (ed.), Bridget Riley Dialogues on Art, London, 1999, p. 38, illustrated.
Exhibition catalogue, Bridget Riley Works 1961-1998, Kendal, Abbot Hall Art Gallery, 1998, p. 9, illustrated.
Exhibition catalogue, Bridget Riley Flashback, London, Arts Council of Great Britain, 2009, p. 11, illustrated.
E. Schmidt (ed.), exhibition catalogue, Bridget Riley: Painting 1980-2012, Siegen, Museum für Gegenwartskunst, 2012, p. 69, fig. 2.
Bochum, Städtische Kunstgalerie, Profile III Englische Kunst der Gegenwart, April - June 1964, no. 134, n.p., illustrated.
London, The Arts Council of Great Britain, Hayward Gallery, Bridget Riley Paintings and Drawings 1951-71, July - September 1971, no. 17, n.p.
Buffalo, British Council, Albright-Knox Art Gallery, Bridget Riley: Works 1959-78, September - October 1978, no. 11: this exhibition travelled to Dallas, Museum of Fine Arts, October - November 1978; Sydney, Art Gallery of New South Wales, July - August 1979; Perth, Art Gallery of Western Australia, September - October 1979; and Tokyo, National Museum of Modern Art, January - March 1980, pp. 16-17, 66, illustrated.
Düsseldorf, Kunstverein für die Rheinlande und Westfalen, Bridget Riley: Selected Paintings 1961-1999, October 1999 - January 2000, exhibition not numbered, pp. 8-9, illustrated.
London, Serpentine Gallery, Bridget Riley Paintings from the 1960s and 70s, June - August 1999, no. 6, pp. 56-57, 112, illustrated.
London, Tate Gallery, Bridget Riley, June - September 2003, no. 5, pp. 34-35, illustrated.
Aarau, British Council, Aargauer Kunsthaus, Bridget Riley: Bilder und Zeichnungen 1959-2005, September - November 2005, no. 10, pp. 62-63, illustrated.
Paris, Musée d’Art Moderne de la Ville de Paris, Bridget Riley Rétrospective, June - September 2008, no. 10, pp. 189, 298, illustrated.