G. Grappe, Catalogue du Musée Rodin, Paris, 1927, p. 47, no. 91 (plaster version illustrated). G. Grappe, Le Musée Rodin, Paris, 1947, p. 142 (larger marble version illustrated, p. 71). B. Champigneulle, Rodin, London, 1967, p. 282, nos. 78-79 (larger marble version illustrated, pp. 162-163). I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 100 (larger marble version illustrated, pls. 54-55). J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, p. 77 (larger marble 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, pp. 214-215, no. 49 (another cast illustrated, pp. 214-215). A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, Paris, 2007, vol. I, p. 161, no. S.776 (another cast illustrated).