Gaston Puel, Paris (acquired by 1964)

Galleria Notizie, Turin

R. Morone, Turin (acquired by 1965)

Private Collection, Switzerland (acquired from the above circa 1967)

Private Co🅘llection, Switzerland (by descent from the above and sold: Christie's, New York, November 9, 2000, lot 264)

Acquired at the above sale

Letter from Magritte to Mariën, September 1943

Letter from Magritte to Mariën, November 1943

Postcard from Magritte to Mariën, Ma♛rch 22,&nbꦑsp;1944

Letter from Magritte to Mariën, (?) June 22, 1944

Letter from Magritte to Mariën, (?) June 27, 1944

Postcard from Magritte to Mariën, July 7, 1944

D'Arcy Agency, Milan, October🎀 1964-January 1965, illustrated in color on the cover

Suzi Gablik, Magritte, London, 1970, no. 127, illustrated p. 146

Marcel Mariën, Le Radeau de la mémoire: Souvenirs déterminés, Paris, 1983, p. 98

Suzi Gablik, Magritte, New York, 1991, no. 127, illustrated p. 148

David Sylvester, Magritte, Anvers, 1992, illustrated in color p. 330

David Sylvester, Magritte, The Silence of the World, New York, 1992, illustrated in color p. 262

David Sylvester & Sarah Whitfield, René Magritte, Catalogue Raisonné, vol. II, London, 1993, no. 562, illustrated p. 3ꦉ39

Turin, Galleria Notizie, Magritte: Opere scelte dal 1925 al 1962, 1965, no. 12, illustrate🦋d in color in the catalogue

L'Aquila, Castello Spagnolo, Ommagio a Magritte: opere 1920-1963, 1965, no. 21, illustrated in the catalogue

Brussels, Galerie Isy Brachot, Rétrospective Magritte dans les collections privéesꦯ, 1988, n.n., ill🌌ustrated in color in the catalogue

Yamaguchi, Musée Préfectural & Tokyo, National Museum of Modern Art, René Magritte, 1988, n.n., illustrat𝔉ed in color in the catalogue

London, The Hayward Gallery; New York, The Metropolitan Museum of Art; Houston, The Menil Collection & Chicago, Art Institute of Chicago, Magritte, 1992-93, no. 88, illustrated﷽ in color in tওhe catalogue