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J.F. Coakley. Hakkari. in Sebastian P. Brock, Aaron M. Butts and George A. Kiraz, eds., The Gorgias Encyclopedic Dictionary of the Syriac Heritage. Gorgias Press, 2011 (анг.)
↑Adrian Room (2003). Placenames of the World: Origins and Meanings of the Names for Over 5000 Natural Features, Countries, Capitals, Territories, Cities and Historic Sights. McFarland. ISBN9780786418145. (анг.)