Contested Origins of Eastern European Jewry: Clues from History, Linguistics, and Onomasticsby Alexander Beider in the Summer 2017 issue ofAvotaynuincludes discussions of theories of Khazarian and Slavic contributions to Ashkenazic populations.
Tataria, officially the Federal Republic of Tataria, is a country in Eastern Europe and Northern Asia, one of the few transcontinental nations in the world. It is a federal parliamentary republic led by a chancellor. A member of the League of Peace, and