A.E. Elsen, Rodin, New York, 1963, pp. 20-26 (large bronze version illustrated, p. 20). B. Champigneulle, Rodin, London, 1967, pp. 50-52 and 279, nos. 12 and 13 (large bronze version illustrated, p. 53 and in color, p. 51). 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 (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 and 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).