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, no. 71 (marble version illustrated, pl. 71).
C. Goldscheider, Rodin , Paris, 1962, p. 49 (marble version illustrated).
A.E. Elsen, Rodin , New York, 1963, p. 62 (larger 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: The Collection of the Rodin Museum, Philadelphia , Philadelphia, 1976, pp. 72, 90 and 108 (marble version illustrated, p. 77).
R.M. Rilke, Rodin , Salt Lake City, 1982, pp. 38 and 104 (another cast illustrated, p. 39).
A.E. Elsen, The Gates of Hell by Auguste Rodin , Stanford, 1985, pp. 78 and 80-81 (another cast illustrated, p. 79, fig. 70).
N. Barbier, Marbres de Rodin: Collection du Mus ée, Paris, 1987, pp. 184 and 258, no. 79 (marble version illustrated, p. 185; detail illustrated, p. 187).
M. Laurent, Rodin , Paris, 1988, p. 104, no. 2 (marble version illustrated, p. 105).
A. Le Normand-Romain, Le Baiser de Rodin , Paris, 1995, p. 20 (another cast illustrated, fig. 2).
J. Vilain, Rodin at the Musée Rodin , London, 1997, p. 39 (marble version illustrated in color).
A. Le Normand-Romain, Rodin , Paris, 1997, pp. 48-49 (terracotta version illustrated).
R. Masson and V. Mattiussi, Rodin , Paris, 2004, p. 40 (marble version illustrated in color, p. 41; terracotta version illustrated in color, p. 42).
A. Le Normand-Romain , The Bronzes of Rodin: Catalogue of Works in the Musée Rodin , Paris, 2007, vol. I, pp. 158-162 (other casts illustrated; marble version illustrated, p. 163, figs. 1-3).
A. Le Normand-Romain, Rodin , New York, 2014, pp. 133-134 (terracotta version illustrated in color, p. 132, fig. 121; marble version illustrated, p. 133, figs. 122-123; marble version illustrated again in color, p. 135, fig. 127).