René Magritte

Galerie Alexandre Iolas, Paris (acquired directly from the artist in 1963)

Private Collection (acquired from the above circa 1966)

Renato Casella, Venice (acquired by November 1984)

Galleria il Milione, Milan

Acquired from from the above in 1985 by the present owner

Letter from Magritte to André Bosmans, 19 October 1963 

S. Frigerio, Beaux-Arts, Brussels, no. 1069, 26 November 1964, p. 14

Patrick Waldberg, René Magritte, Brussels, 1965, p. 247, illustrated

José Vovelle, Le Surréalisme en Belgique, Brussels, 1972, p. 85, pl. 67, illustrated

Harry Torczyner, Magritte: Ideas and Images, 1977, pp. 261 and 268

René Magritte and André Bosmans; Francine Perceval, ed., Lettres à André Bosmans, 1958-1967, Paris, 1990, p. 319

Sarah Whitfield and Michael Raeburn; David Sylvester, ed., Rene Magritte: Catalogue Raisonné, vol. III, London, 1993, no. 982, p. 389, illustrated; p. 440 

Suzi Gablik, Magritte, London, 1985, no. 27, p. 35, illustrated; p. 200

René-Marie Jongen, René Magritte, ou, La pensée imagée de l'invisible: réflexions et recherches, Brussels, 1994, p. 35, note 27 

Henri Laborit, La Légende des comportements, Paris, 1994, pp. 118-19, illustrated in color 

Exh. Cat., London, South Bank Centre, Magritte, p. 64, note 2

Patrick Roegiers, Magritte and Photography, New York, 2005, p. 103

Paris, Galerie Alexandre Iolas, Magritte, 1964, no. 24

New York, The Museum of Modern Art; Waltham, Rose Art Museum, Brandeis University; Art Institute of Chicago; Pasadena Museum of Art and Berkeley, University of California Museum, René Magritte, 1965-66, no. 80, p. 62, illustrated; p. 80 (dated 1964)

Ferrara, Palazzo dei Diamanti, René Magritte, 1986, no. 28, p. 145; p. 201, illustrated in color