Analysis of information sources in references of the Wikipedia article "Volga" in English language version.
Middle Persian Arang/Arag renders Avestan Raŋhā, which is cognate with the Scythian name Rhâ (*Rahā) transmitted by Ptolemy
Middle Persian Arang/Arag renders Avestan Raŋhā, which is cognate with the Scythian name Rhâ (*Rahā) transmitted by Ptolemy