Louis Scutenaire, René Magritte, Brussels: Librairie Sélection, 1947, p.92.

Harry Torczyner, René Magritte: Signes et Images, Paris: Editions Draeger, 1977, p.182 (ill.).

Bernard Noël, Magritte, Paris: Flammarion, 1977, p.25 (ill. col.).

Suzi Gablik, Magritte, London: Thames and Hudson, 1970, p.61, (ill. fig. 44).

David Sylvester, Magritte, London: Thames and Hudson, 1992, p.18.