Cf. Sylvie Raulet, Van Cleef & Arpels, Editions du Regard, Paris, 1986, page 192

Cf. Van Cleef & Arpels, Editions Paris-Musées, Paris, 1992, page 158

Cf. Marc Petit, Van Cleef & Arpels: Reflections of eternity, Editions Cercle d'Art, Paris, 2006, plate 129