G. Grappe, Catalogue du Musée Rodin, Paris, 1926, no. 233 (marble version illustrated p. 93).
R. Descharnes & J.-F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 90 (marble version illustrated).
I. Jianou & C. Goldscheider, Rodin, Paris, 1967, p. 91.
A.E. Elsen, Rodin, London, 1974, p. 61 (another cast illustrated).
J. L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, nos. 20-24, p. 203 (another cast illustrated).
J. de Caso & P.B. Sanders, Rodin's Sculpture, A Critical Study of the Spreckles Collection, San Francisco, 1977, no. 25, p. 164 another cast illustrated).
A.E. Elsen, In Rodin's Studio, Paris, 1980, no. 33 (another cast illustrated).
R. Crone & S. Salzmann, (ed.), Rodin, Eros and Creativity, Munich, 1992, fig. 13 (another cast illustrated p. 199).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. I, Paris, 2007, no. S6734, p. 379 (another cast illustrated).