^Thucydides reported that there were still Siculi in Italy; he derived "Italia" from an eponymous Italo, a Sicel king. (Histories, vi.4.6),
^The basic study is Joshua Whatmough in R.S. Conway, J. Whatmough and S.E. Johnson, The Prae-Italic Dialects of Italy (London 1933) vol. 2:431-500; a more recent study is A. Zamponi, "Il Siculo" in A.L. Prosdocimi, ed., Popoli e civiltà dell'Italia antica, vol. 6 "Lingue e dialetti" (1978949-1012.)