Robert Harling, Modern Furniture and Decoration, New York, 1971, pp. 72-73 for a period photograph of this chair model in the apartment of Pierre Delbee, director of Jansen; Suzanne Demisch, Maria Pergay, Between Ideas and Design, Verona, 2006, front and back covers and pp. 28, 36, 43, 80-83, 141 and 143