G. Grappe, Catalogue du Musée Rodin , Paris, 1944, p. 142, no. 71 (marble version illustrated, pl. 71).
H. Martinie, Auguste Rodin , Paris, 1949, no. 30 (marble version illustrated).
C. Goldscheider, Rodin: Sa vie, son oeuvre, son héritage , Paris, 1962, p. 49 (marble version illustrated in situ in Rodin"s studio).
A.E. Elsen, Rodin , New York, 1963, p. 62 (another version illustrated, p. 63).
B. Champigneulle, Rodin , London, 1967, pp. 162-163 and 282, nos. 78-79 (marble version illustrated).
R. Descharnes and J.-F. Chabrun, Auguste Rodin , Lausanne, 1967, p. 130 (marble version illustrated in color, p. 131).
I. Jianou and C. Goldscheider, Rodin , Paris, 1967, p. 100 (marble version illustrated, pls. 54-55).
L. Goldscheider, Rodin Sculptures: A Critical Study of the Spreckels Collection , London, 1970, p. 121 (marble version illustrated, pl. 49).
J.L. Tancock, The Sculpture of Auguste Rodin , Philadelphia, 1976, pp. 72, 90 and 108 (marble version illustrated in situ at the Salon of 1908, p. 77).
J. de Caso and P.B. Sanders, Rodin"s Sculpture , San Francisco, 1977, pp. 149-152 (another version illustrated).
H. Pinet, Rodin sculpteur et les photographes de son temps , Paris, 1985.
N. Barbier, Marbres de Rodin: Collection du Musée , Paris, 1987, p. 184, no. 79 (marble version illustrated, p. 185).
F.V. Grunfeld, Rodin, A Biography , New York, 1987, pp. 187-190, 221-222, 260, 262, 275-276, 281-282, 342, 373-374, 400, 457 and 577.
D. Finn and M. Busco, Rodin and His Contemporaries: The Iris & B. Gerald Cantor Collection , New York, 1991, p. 60 (another version illustrated).
R. Masson and V. Mattiussi, Rodin , Paris, 2004, p. 40 (marble version illustrated, p. 41; terracotta version illustrated, p. 42).
A. Le Normand-Romain, The Bronzes of Rodin: Catalogue of the Works in the Musée Rodin , Paris, 2007, vol. I, pp. 159-163, no. S.472 (other bronze and marble versions illustrated, pp.158-159).