G. Mourey, in Lécho de Paris, September 1898. L. Bénédite, Rodin, London, 1924, p. 31 (another cast illustrated, pl. LIII). F. Watkins, Rodin Museum of Philadelphia, Philadelphia, 1929, no. 11 (another cast illustrated, p. 11). G. Grappe, Catalogue du Musée Rodin, Paris, 1944, no. 272 (marble version illustrated). E. Waldmann, Auguste Rodin, Vienna, 1945, pp. 51 and 77, no. 56 (illustrated, pl. 56). A.E. Elsen, Rodin, New York, 1963, pp. 46-47 (plaster version illustrated, p. 210). I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 106. R. Descharnes and J. Chabrun, Auguste Rodin, Lausanne, 1967, pp. 146, 149 and 152. J.L. Tancock, Rodin Museum Handbook, Philadelphia, 1976, p. 47, no. 42. J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, pp. 294-297, no. 47 (another cast illustrated, p. 295). J. Caso and P.B. Sanders, Rodin's Sculptures: A Critical Study of the Spreckels Collection, San Francisco, 1977, no. 45. A. Le Normand-Romain, ed., "Un mécène aussi généreux que discret. Les commandes de sculpture de Maurice Fenaille à Rodin" in Durey, 1998, pp. 14-33, no. 63. A.E. Elsen, Rodin's Art, New York, 2003, pp. 144, 146 and 147 (another cast illustrated, p. 146). A. Le Normand-Romain, ed., The Bronzes of Rodin, Paris, 2007, vol. I, pp. 28, 37, 97, 199-202 and 373, vol. II, pp. 431, 519 and 609, no. S.967 (another cast illustrated in color, pp. 97 and 200).