G. Grappe, Catalogue du Musée Rodin, Paris, 1927, p. 47, nos. 91-92 (marble version illustrated).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 (larger bronze version 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, pp. 130-131 (marble version illustrated, pls. 54 and 55).I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 100 (marble version illustrated).L. Goldscheider, Rodin Sculptures, London, 1970, p. 121 (marble version illustrated, pl. 49).J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, pp. 72, 77, 90 and 108, no. 151 (marble version illustrated, p. 77).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 (larger bronze version illustrated, pp. 148-150).N. Barbier, Marbres de Rodin, Collection du Musée, Paris, 1987, pp. 184-187 and 258, no. 79 (marble version illustrated, p. 185 and illustrated again in color, p. 187).A. Le Normand-Romain, Le Baiser de Rodin, Paris, 1995, pp. 20 and 43 (other versions illustrated, figs. 2 and 7; terracotta version illustrated, p. 20, fig. 3).A. Le Normand-Romain, Rodin, Paris, 1997, p. 49 (terracotta version illustrated in color, p. 48).R. Butler, "Auguste Rodin," European Sculpture of the Nineteenth Century, The Collections of the National Gallery of Art Systematic Catalogue, 2000, pp. 326-330.A. Pingeot, "Rodin au Musée du Luxembourg," La Revue du Musée d'Orsay, autumn 2000, pp. 67-70 and 74, no. 11.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, no. 49 (smaller bronze version illustrated, fig. 167).R. Masson and V. Mattius, Rodin, Paris, 2004, pp. 40-42 (marble version illustrated, p. 41; terracotta version illustrated, p. 42).A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, Paris, 2007, vol. I, pp. 158-163, no. S. 2061 (another cast illustrated, p. 161; other versions illustrated, pp. 158-163).