G. Grappe, Le Musée Rodin , Paris, 1944, p. 140, no. 35 (large bronze version illustrated, pl. 35).
A.E. Elsen, Rodin , New York, 1963, p. 21 (large bronze version illustrated, p. 20).
B. Champigneulle, Rodin , New York, 1967, pp. 50-52 and 279, nos. 12 and 13 (large bronze version illustrated, p. 53; large bronze version illustrated again in color, p. 51; dated 1877).
R. Descharnes and J.-F. Chabrun, Auguste Rodin , Lausanne, 1967, pp. 53-54 (large bronze and plaster versions illustrated).
I. Jianou and C. Goldscheider, Rodin , Paris, 1967, p. 85 (large bronze version illustrated, pls. 6-7).
L. Goldscheider, Rodin Sculptures , London, 1970, p. 115 (another cast illustrated, pls. 4-5).
J.L. Tancock, The Sculpture of Auguste Rodin , Philadelphia, 1976, pp. 19, 23, 30, 32, 42, 66-67 and 342-356, no. 64 (large bronze version illustrated, pp. 343 and 345; large bronze version illustrated again in color, p. 16).
A.E. Elsen, In Rodin"s Studio , New York, 1980, p. 157, nos. 2 and 5 (plaster version illustrated).
L. Ambrosini and M. Facos, The Cantor Gift to The Brooklyn Museum, Rodin , Meriden, 1987, pp. 57-58, no. 8 (large bronze version illustrated, p. 56).
C. Goldscheider, Auguste Rodin, Catalogue raisonné de l"oeuvre sculpté , Paris, 1989, vol. I, pp. 114-116, no. 95d (large bronze version illustrated, pp. 114-115 and 117).
A.E. Elsen, Rodin"s Art, The Rodin Collection of the Iris & B. Gerald Cantor Center for the Visual Arts at Stanford University , New York, 2003, pp. 37-48, no. 3 (another cast and large bronze versions illustrated, pp. 37-38 and 40).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin , Paris, 2007, vol. I, pp. 121-128 (large bronze versions illustrated).