Aelian, Varia Historia 9.16; Massimo Pallottino, "Religion in Pre-Roman Italy," in Roman and European Mythologies (University of Chicago Press, 1992, from the French edition of 1981), p. 29.
Pallotino, pp. 29, 30; Hendrik Wagenvoort, "The Origin of the Ludi Saeculares," in Studies in Roman Literature, Culture and Religion (Brill, 1956), p. 219 et passim; John F. Hall III, "The Saeculum Novum of Augustus and its Etruscan Antecedents," Aufstieg und Niedergang der römischen Welt II.16.3 (1986), p. 2574.
Larissa Bonfante, Etruscan Life and Afterlife: A Handbook of Etruscan Studies (Wayne State University Press, 1986), p. 226.
