Paul Clemen, ‘Auguste Rodin. I. Teil’, in Die Kunst für alle, April 1905, no. 13, pp. 289-307, illustrated p. 303
Frederick Lawton, The Life and Works of Auguste Rodin, London, 1906, illustrated opposite p. 111
Georges Danthon, Oeuvres de Rodin, Catalogue, Musée Rodin, 1929, no. 88, illustration of another version p. 50
Georges Grappe, Catalogue du Musée Rodin, Paris, 1944, p. 141, no. 56, illustration of another version p. 56
René Descharnes & Jean-François Chabrun, Auguste Rodin, Lausanne, 1967, illustration of another version p. 134
Ionel Jianou & Cécile Goldscheider, Rodin, Paris, 1967, illustrations of another version pls. 56-57
John L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, illustration of another version figs. 32, 32a-b, 33 & 34
Albert E. Elsen, In Rodin's Studio, A Photographic Record of Sculpture in the Making, Ithaca, 1980, no. 48, illustration of the clay model p. 171
Albert E. Elsen, Rodin Rediscovered, Washington, D.C., 1981, illustration of another version pl. 48
David Finn & Marie Busco, Rodin and His Contemporaries: The Iris and B. Gerald Cantor Collection, New York, 1991, illustration of another version p. 227
Albert E. Elsen, Rodin's Art, The Rodin Collection of the Iris & B. Gerald Cantor Center for Visual Arts at Stanford University, New York, 2003, pp. 494-497, no. 148, another version illustrated p. 495
Antoinette Le Normand-Romain, The Bronzes of Rodin. Catalogue of Works in the Musée Rodin, Paris, 2007, pp. 331-337, illustrated p. 336, fig. 6 (photo by Jacques Ernest Bulloz, carbon print, Ph. 975)