Howard-Johnston, James D. (2007). ”Byzantine Sources for Khazar History”. i Peter B. Golden, Haggai Ben-Shammai och András Róna-Tas, redaktörer (på engelska). The World of the Khazars: New Perspectives - Selected Papers from the Jerusalem 1999 International Khazar Colloquium. Leiden: Brill. sid. 187-188, 190. doi:10.1163/ej.9789004160422.i-460. ISBN 978-90-04-16042-2
Fóthi, Erzsébet; Gonzalez, Angéla; Fehér, Tibor; Gugora, Ariana; Fóthi, Ábel; Biró, Orsolya; Keyser, Christine (14 januari 2020). ”Genetic analysis of male Hungarian Conquerors: European and Asian paternal lineages of the conquering Hungarian tribes” (på engelska). Archaeological and Anthropological Sciences 12: sid. 31. doi:10.1007/s12520-019-00996-0.
Golden, Peter B. (2007). ”The Conversion of the Khazars to Judaism”. i Peter B. Golden, Haggai Ben-Shammai och András Róna-Tas, redaktörer (på engelsk). The World of the Khazars: New Perspectives - Selected Papers from the Jerusalem 1999 International Khazar Colloquium. Leiden: Brill. sid. 149. doi:10.1163/ej.9789004160422.i-460. ISBN 978-90-04-16042-2
Brook, Kevin Alan (2022) (på engelsk). The Maternal Genetic Lineages of Ashkenazic Jews. Boston: Academic Studies Press. sid. 17, 86, 140-141. doi:10.2307/j.ctv33mgbcn. ISBN 978-1-64469-984-3
Brook, Kevin Alan (2018) (på engelsk). The Jews of Khazaria (3rd). Lanham: Rowman and Littlefield Publishers. sid. 81. ISBN 978-1-5381-0342-5. OCLC1006532607
Brook, Kevin Alan (2018) (på engelsk). The Jews of Khazaria (3rd). Lanham: Rowman and Littlefield Publishers. sid. 100-101. ISBN 978-1-5381-0342-5. OCLC1006532607
Brook, Kevin Alan (2018) (på engelsk). The Jews of Khazaria (3rd). Lanham: Rowman and Littlefield Publishers. sid. 136-137. ISBN 978-1-5381-0342-5. OCLC1006532607
Brook, Kevin Alan (2018) (på engelsk). The Jews of Khazaria (3rd). Lanham: Rowman and Littlefield Publishers. sid. 159-160. ISBN 978-1-5381-0342-5. OCLC1006532607