G. Grappe, Catalogue du Musée Rodin, Paris, 1927, nos. 91-92 (marble version illustrated, p. 47). G. Grappe, Le Musée Rodin, Paris, 1947, p. 142 (marble version illustrated, pl. 71). C. Goldscheider, Rodin: sa vie, son oeuvre, son héritage, Paris, 1962 (marble version illustrated). A.E. Elsen, Rodin, New York, 1963, p. 62 (another cast illustrated, p. 63). B. Champigneulle, Rodin, London, 1967, pp. 157 and 282, nos. 78-79 (marble version illustrated, pp. 162-163). R. Descharnes and J.-F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 130 (marble version illustrated, p.131). I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 100 (marble version illustrated, pls. 54 and 55). L. Goldscheider, Rodin Sculptures, London, 1970, p. 121, no. 49 (marble version illustrated). J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, p. 77, no. 151 (marble version illustrated). J. de Caso and P. Sanders, Rodin's Sculpture: A Critical Study of the Spreckels Collection, California Palace of the Legion of Honor, San Francisco, 1977, pp. 148-153, no. 22 (another cast illustrated, p. 150). N. Barbier, Marbres de Rodin, Collection du Musée, Paris, 1987, pp. 184-187 and 258, no. 79 (marble version illustrated, pp. 185 and 187). A. Le Normand-Romain, Le Baiser de Rodin/The Kiss by Rodin, Paris, 1995 (another cast illustrated, figs. 2 and 7; marble version illustrated, fig. 3). A. Le Normand-Romain, Rodin, Paris, 1997, p. 49 (terracotta version illustrated, p. 48). A. Pingeot, "Rodin au Musée du Luxembourg" in La Revue du Musée d'Orsay, autumn 2000, pp. 67-70 and 74, no. 11. R. Butler, "Auguste Rodin" in European Sculpture of the Nineteenth Century: The Collections of the National Gallery of Art Systematic Catalogue, 2001, pp. 326-330. 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. 214-215, fig. 167 (another cast illustrated). R. Masson and V. Mattiussi, Rodin, Paris, 2004, p. 40 (marble and terracotta versions illustrated, pp. 41-42). A. Le Normand-Romain, The Bronzes of Rodin: Catalogue of Works in the Musée Rodin, Paris, 2007, vol. I, p. 162, no. S.2393 (another cast illustrated, pp. 158-162; marble version illustrated, p. 163).