R. G. Latham, The Natural History of the Varieties of Man
“ Hence, the reasoning runs thus—that the Huns of Attila were what the Huns of Priscus were;—that one of these Hun tribes was the Khazar tribe. What were the Khazars? The Khazars were Turks from the East. Τούρκοι ἀπὸ τῆς ἑώας, οὓς Χαζάρας ὀνομάζουσι, Theophanes, the first author who names them, denoting them thus. In respect to their history, the Khazars appear as the Avars wane in importance. It was by an alliance with the Khazars, indeed, that Heraclius, as stated above, freed himself from those formidable enemies. ”
