== Bibliografia ==* Francesco Perono Cacciafoco, "Beyond Etymology: Historical Reconstruction and Diachronic Toponomastics through the Lens of a New Convergence Theory", in «Acta Linguistica. ###>== Demographic evolution ==== Bibliography ==* Francesco Perono Cacciafoco, "Beyond Etymology: Historical Reconstruction and Diachronic Toponomastics through the Lens of a New Convergence Theory", in «Acta Linguistica.