J. Cladel, Rodin, sa vie glorieuse, sa vie inconnue, Paris, 1936, pp. 231-232.
G. Grappe, Catalogue du Musée Rodin, Paris, 1944, no. 166, p. 58 (marble version illustrated).
G. Grappe, Le Musée Rodin, Paris, 1947, no. 71, p. 142 (marble version illustrated pl. 71).
C. Goldscheider, Rodin, sa vie, son oeuvre, son héritage, Paris, 1962, p. 49 (marble version illustrated in situ).
A. E. Elsen, Rodin, New York, 1963, pp. 62 & 218 (another cast illustrated p. 63).
B. Champigneulle, Rodin, London, 1967, nos. 78-79, p. 282 (marble version illustrated pp. 162-163).
R. Descharnes & J.-F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 130 (marble version illustrated p. 131; the marble version illustrated in situ p. 191).
I. Jianou & C. Goldscheider, Rodin, Paris, 1967, p. 100 (marble version illustrated pls. 54-55).
L. Goldscheider, Rodin Sculptures, London, 1970, no. 49, p. 121 (marble version illustrated pl. 49).
J. L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, p. 77 (marble version illustrated in situ).
J. de Caso & P. B. Sanders, Rodin's Sculpture: A Critical Study of the Spreckels Collection, San Francisco, 1977, no. 22, pp. 149-152 (another cast illustrated pp. 149-150).
Exh. cat., Auguste Rodin 1840-1917, New York, 1981, pp. 38 & 48 (illustrated pp. 7 & 38).
Exh. cat., The Sculpture of Auguste Rodin: Reductions and Enlargements, New York, 1983, n.p. (another cast illustrated n.p.).
N. Barbier, Marbres de Rodin: Collection du musée, Paris, 1987, no. 79, p. 184 (marble version illustrated p. 185; detail of marble version illustrated p. 187).
F. V. Grunfeld, Rodin, A Biography, New York, 1987, pp. 187-90, 221-222, 260, 262, 275-276, 281-282, 342, 373-374, 400, 457 & 577.
M. Busco, Rodin and His Contemporaries: The Iris & B. Gerald Cantor Collection, New York, 1991, pp. 60 & 229 (another cast illustrated pp. 60 & 62; details of another cast illustrated pp. 61 & 63).
R. Butler, Rodin: The Shape of Genius, New Haven & London, 1996, pp. 229 & 316 (plaster & marble versions illustrated).
J. A. Schmoll gen. Eisenwerth, Rodin and Camille Claudel, Munich, 1999, pp. 48 & 126 (marble version illustrated p. 49).
R. Butler & S. G. Lindsay, European Sculpture of the Nineteenth Century, New York, 2000, p. 326 (marble & plaster versions illustrated p. 329).
I. Ross & A. Snow, Rodin: A Magnificent Obsession, London, 2001, no. 83, pp. 104 & 176 (another cast illustrated p. 105).
A. E. Elsen & R. F. Jamison, Rodin's Art: The Rodin Collection of The Iris & B. Gerald Cantor Center, New York, 2003, no. 48, pp. 207-213 (another cast illustrated pp. 207, 208 & 210; marble version illustrated in situ pp. n.p. & 210).
Exh. cat., Rodin, London, 2006, no. 78, p. 225 (the plaster illustrated pp. 74, 75 & 225).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. I, Paris, 2007, p. 159 (another cast illustrated; marble version illustrated p. 163).