Wallace 2010: Etruscan origins lie in the distant past. Despite the claim by Herodotus, who wrote that Etruscans migrated to Italy from Lydia in the eastern Mediterranean, there is no material or linguistic evidence to support this. Etruscan material culture developed in an unbroken chain from Bronze Age antecedents. As for linguistic relationships, Lydian is an Indo-European language. Lemnian, which is attested by a few inscriptions discovered near Kaminia on the island of Lemnos, was a dialect of Etruscan introduced to the island by commercial adventurers. Linguistic similarities connecting Etruscan with Raetic, a language spoken in the sub-Alpine regions of northeastern Italy, further militate against the idea of eastern origins. Wallace, Rex E. (2010). "Italy, Languages of". In Gagarin, Michael (ed.). The Oxford Encyclopedia of Ancient Greece and Rome. Oxford, UK: Oxford University Press. pp. 97–102. doi:10.1093/acref/9780195170726.001.0001. ISBN9780195170726.
Marchesini 2013. Marchesini, Simona (2013). "Raetic". Mnamon - Ancient Writing Systems in the Mediterranean. Translated by Rockenhaus, Melanie. Scuola Normale Superiore. Retrieved 26 July 2018.
Kluge Sindy; Salomon Corinna; Schumacher Stefan (2013–2018). "Raetica". Thesaurus Inscriptionum Raeticarum. Department of Linguistics, University of Vienna. Retrieved 26 July 2018.
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de Simone & Marchesini 2013. de Simone, Carlo; Marchesini, Simona, eds. (2013). "La lamina di Demlfeld". Mediterranea. Quaderni annuali dell'Istituto di Studi sulle Civiltà italiche e del Mediterraneo antico del Consiglio Nazionale delle Ricerche (in Italian). Supplemento 8. Pisa/Roma. ISSN1827-0506.