G. Grappe, Le Musée Rodin, Paris, 1947, p. 141, no. 56 (another cast illustrated). R. Descharnes and J.-F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 135 (another cast illustrated, p. 134). I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 96. J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, p. 241-247, no. 32b, (another cast illustrated). A.E. Elsen, Rodin Rediscovered, Washington D.C., 1981, p. 68 (another cast illustrated, fig. 3.13). D. Finn and M. Busco, Rodin and His Contemporaries: The Iris and B. Gerald Cantor Collection, New York, 1991, p. 227 (another cast 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, p. 494-497, no. 148 (another cast illustrated, p. 494-496). A. Le Normand-Romain, Rodin et le bronze, Catalogue des oeuvres conservées au Musée Rodin, I, Paris, 2007, no. S. 777, p. 334 (other casts illustrated)