Statement of account, dated October 1949, sent by Magritte to Alexander Iolas in a letter, 2 March 1950.
Letter from Magritte to Alexander Iolas, 12 December 1949.
Letter from Magritte to Marcel Mariën, April 1950.
M. Mariën, Garde-Fou, 1950 (illustrated).
Letter from Magritte to Alexander Iolas, 1 June 1950.
Exh. cat, La peinture Belge contemporaine, Lyon, 1950 (illustrated fig. 31).
La Lanterne, Brussels, 16 April 1951, p. 4 (illustrated).
Letter from Harry Torczyner to Magritte, 2 March 1959.
Letter from Michel Foucault to Magritte, (probably) June 1966.
Letter from Magritte to Michel Foucault, 4 June 1966.
F. Cachin, ‘Magritte ou Mandrake contre Maigret’, in Preuves, Paris, July 1966, p. 80.
A. Pieyre de Mandiargues, ‘Un terroriste souriant’, in Le Nouvel Observateur, Paris, 3 September 1967, p. 31.
N. Calas, ‘Pearls of Magritte’, in Arts Magazine, New York, April 1972, p. 48.
M. Foucault, Ceci n’est pas une pipe, deux lettres et quatre dessins de René Magritte, Montpellier, 1973, p. 57.
M. Mariën, ed., L’Activité surréaliste en Belgique (1924-1950), Brussels, 1979, pp. 33-34.
D. Sylvester, ed., René Magritte, Catalogue raisonné, vol. III, Oil Paintings, Objects and Bronzes, 1949-1967, Antwerp, 1993, no. 710, pp. 146-147 (illustrated p. 146).