Original sentence: Historian Adrian Majuru, building on earlier observations made by linguist Lazăr Şăineanu, also connects the servant-prince's antagonists with various reflections of ethnic strife in Romanian folklore: the Red Emperor as standing for the medieval Khazars, the Bald Man as a popular view of the Tatars
Edited sentence: Historian Adrian Majuru, building on earlier observations made by linguist Lazăr Şăineanu, also connects the servant-prince's antagonists with various reflections of ethnic strife in Romanian folklore: the Red Emperor as standing for the medieval Khazars ("Red Jews"), the Bald Man as a popular view of the Tatars