Jelaskan Catatan dari Fredegunda

Gregory of Tours, History of the Franks, Book IX. Ch. 34, Translated by O. M. Dalton, Vol. II. pp. 405–406

Alan Dundes, Cinderella: A Casebook, Ch. 1 The Cat Cinderella by Giambattista Basile (University of Wisconsin Press, 1982).