The Ethnic Map of Caucasus - centuries V - IV B.C.E., by "The World History", Vol.2, 1956 г., Russia
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The Ethnic Map of Caucasus V - IV B.C., (fragment of the Ethnic Map of Europe V - IV B.C.), <a rel="nofollow" class="external text" href="http://historic.ru/books/item/f00/s00/z0000017/map01.shtml">"The World History", Vol.2, 1956 г., Russia, Moscow, Autors: A. Belyavsky, L. Lazarevich, A. Mongait.</a> and Gocha Tsetskhladze (éd.), Greek Colonisation. An Account of Greek Colonies and Other Settlements Overseas, 2 volumes, Leyde ; Boston, Brill, 2006 et 2008, 584 et 566 p.