KHAZARIAN HEBREW DOCUMENTS OF THE TENTH CENTURY by Norman Golb, Omeljan Pritsak
https://www.jstor.org/stable/41036207
THE KHAZAR KINGDOM’S CONVERSION TO JUDAISM
https://www.jstor.org/stable/41035790
Interesting interview with Russian newscaster
https://futurenews.news/watch?id=6208368a50889111f94c6b7e
