↑ William Smith, Dictionary of Greek and Roman Biography and Mythology, Taylor and Walton, 1846, p. 776.
↑ Stewart, Andrew W. (1996), "Hagesander, Athanodorus and Polydorus", in Hornblower, Simon, Oxford Classical Dictionary, Oxford: Oxford University Press.
↑ Richard Brilliant, My Laocoön - alternative claims in the interpretation of artworks, University of California Press, 2000, p.29
↑ See Beard, Mary (2 February 2001), "Arms and the Man: The restoration and reinvention of classical sculpture", Times Literary Supplement. Beard, in fact, is highly sceptical of the identification, noting that ‘the new arm does not directly join with the father's broken shoulder (a wedge of plaster has had to be inserted); it appears to be on a smaller scale and in a slightly differently coloured marble’.
↑ Seymour Howard, "Laocoon Re-restored" American Journal of Archaeology 93.3 (July 1989, pp. 417-422), p. 422.
Haskell, Francis, and Nicholas Penny, 1981. Taste and the Antique: The Lure of Classical Sculpture 1500-1900 (Yale University Press), cat. no. 52, pp. 243-47 (illustrated with the extended arm).
Catterson, Lynn. "Michelangelo's 'Laocoön?'" Artibus et historiae. 52. 2005
