See McCann, “The Riace Bronzes: Gelon and Hieron of Syracuse?” in From the Parts to the Whole: I. Acta of the 13th International Bronze Conference, held at Cambridge, Massachusetts, from May 28 to June 1, 1996; see also C.C. Mattusch, A. Brauer and S.E. Knudsen, eds., Journal of Roman Archaeology supplemental series no. 39 (2000), pp. 97–105.