G. Grappe, Catalogue du Musée Rodin, Paris, 1927, no. 171, p. 68 (another cast illustrated).
A. Sigogneau, 'Le tourment de Rodin', in L'Amour de l'art, Paris, December 1935, p. 379 (another cast illustrated).
G. Grappe, Catalogue du Musée Rodin, Paris, 1944, no. 248, p. 85 (another cast illustrated).
M. Aubert, Rodin Sculptures, Paris, 1952, p. 50 (another cast illustrated).
A. E. Elsen, Rodin, New York, 1963, p. 181 (another cast illustrated p. 185).
I. Jianou & C. Goldscheider, Rodin, Paris, 1967, p. 103 (another cast illustrated pl. 77).
R. Descharnes & J.-F. Chabrun, Auguste Rodin, London, 1967 (the terracotta illustrated p. 249).
B. Champigneulle, Rodin, London, 1967, no. 40, p. 280 (another cast illustrated p. 105).
A. E. Elsen, Rodin, London, 1974, p. 185 (another cast illustrated).
J. L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, p. 290 (another cast illustrated).
A. E. Elsen, In Rodin's Studio: A photographic record of sculpture in the making, Oxford, 1980, p. 178 (another cast illustrated pl. 95).
Exh. cat., Rodin Rediscovered, Washington, 1981, no. 5.13, p. 111 (another cast illustrated).
H. Pinet, Rodin, sculpteur et les photographes de son temps, Paris, 1985, no. 57, n.p. (another cast illustrated).
Exh. cat., Rodin Sculpture & Drawings, London, 1986, no. 141, p. 220 (another cast illustrated p. 221).
J. Mayo Roos, 'Rodin's Monument to Victor Hugo: Art and Politics in the Third Republic', in The Art Bulletin, vol. 68, no. 4, New York, December 1986, p. 654 (another cast illustrated fig. 24, p. 655).
M. L. Levkoff, Rodin in His Time, Los Angeles & New York, 1994, no. 43, p. 136 (another cast illustrated p. 137).
R. Butler, La solitude du génie, Paris, 1998, no. 138 (another cast illustrated p. 187).
Exh. cat., Rodin's Monument to Victor Hugo, Los Angeles, 1998, p. 99 (another cast illustrated fig. 61).
R. Blackburn et al., Rodin, A Magnificent Obsession, Los Angeles, 2001, no. 51, p. 68 (another cast illustrated).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. II, Paris, 2007, no. S1068, p. 452 (another cast illustrated pp. 452 & 453).