Georges Grappe, Catalogue du Musée Rodin, Paris, 1927, illustration of the marble version p. 47<br>Georges Grappe, Le Musée Rodin, Paris, 1947, illustration of the marble version pl. 71<br>Cécile Goldscheider, Rodin, Sa Vie, son oeuvre, son héritage, Paris, 1962, illustration of the marble version<br>Albert E. Elsen, Rodin, London, 1963, illustration of another cast p. 63<br>Bernard Champigneulle, Rodin, London, 1967, illustration of the marble version pp. 162-63<br>Robert Descharnes & Jean François Chabrun, Auguste Rodin, Lausanne, 1967, illustration of the marble version pls. 54-55<br>Ionel Jianou and Cécile Goldscheider, Rodin, Paris, 1967, illustraton of the marble version pls. 54-55<br>Ludwig Goldscheider, Rodin Sculptures, London, 1970, illustration of the marble version p. 121<br>John L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, illustration of the marble version p. 77<br>Jacques de Caso & Patricia Sanders, Rodin's Sculpture, A Critical Study of the Spreckels Collection, California Palace of the Legion of Honor, San Francisco, 1977, illustration of another cast p. 150<br>Nicole Barbier, Marbres de Rodin, Collection du musée, Paris, 1987, illustration of the marble version pp. 185 & 187<br>Antoinette Le Normand-Romain, Le Baiser de Rodin/The Kiss by Rodin, Paris, 1995, illustration of another cast fig. 3<br>Antoinette Le Normand-Romain, Rodin, Paris, 1997, illustration of the terracotta version p. 48<br>Albert 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, illustration of another cast pp. 214-15<br>Antoinette Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. I, Paris, 2007, no. S. 2393, illustration of other casts pp. 158-63