A.E. Elsen, Rodin, New York, 1963, pp. 70-85.
B. Champigneulle, Rodin, London, 1967, p. 280, no. 26.
I. Jianou and C. Goldscheider, Rodin, Paris, 1967, pp. 97-99 (plaster version illustrated, pls. 40-41).
R. Descharnes and J.-F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 111 (plaster version illustrated).
J.L. Tancock, The Sculpture of Auguste Rodin, The Collection of the Rodin Museum, Philadephia, Philadelphia, 1976,
pp. 376-402 (plaster version illustrated, pp. 377-378).
G. Marotta, ed., Auguste Rodin, New York, 1981, p. 49.
I. Ross & A. Snow, eds., Rodin, A Magnificent Obsession, New York, 2001, pp. 54 and 59 (monumental version
illustrated).
A.E. Elsen, Rodin's Art, The Rodin Collection of the Iris & B. Gerald Cantor Center for Visual Arts at Stanford University, New York, 2003, p. 72 (another cast illustrated, figs. 60 & 61).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. I, Paris, 2007, pp. 39, 51, 81, 212-216 and 227 (other versions illustrated).