L. Maillard, Auguste Rodin, Statuaire, Paris, 1899, pp. 121-122 (marble version illustrated, fig. 16).
G. Grappe, Catalogue du Musée Rodin, Paris, 1927, p. 42, nos. 69-70 (plaster and another version illustrated).
G. Grappe, Le Musée Rodin, Paris, 1947, p. 141 (another version illustrated, pl. 56).
R. Descharnes and J.-F. Chabrun, Auguste Rodin, London, 1967, p. 135 (larger version illustrated in color, p. 134).
I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 96 (another cast illustrated, pls. 56-57).
L. Steinberg, Other Criteria: Confrontations with Twentieth-Century Art, Oxford, 1972, p. 428, no. 232 (marble version illustrated, p. 365).
J.L. Tancock, The Sculpture of Auguste Rodin: The Collection of the Rodin Museum Philadelphia, Philadelphia, 1976, pp. 241, 244-245 and 247, no. 32b (other versions illustrated, pp. 242-243 and 246, figs. 32-3 and 32-4).
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, pp. 494-497, no. 148 (another cast illustrated, pp. 494-495, fig. 413 and larger version illustrated, p. 496, fig. 414).
A. Le Normand-Romain, The Bronzes of Rodin: Catalogue of Works in the Musée Rodin, Paris, 2007, vol. I, pp. 334-337 (another cast illustrated, p. 334; terracotta version illustrated, p. 334; other versions illustrated, p. 336 and marble version illustrated, p. 337).
A. Le Normand-Romain, Rodin, New York, 2013, p. 146 (plaster version illustrated, p. 147, fig. 139).