Bulgars (Turkic people) -- History -- To 1500 : The Bulgars and the steppe empire in the early Middle Ages : the problem of the others / [Tsvetelin Stepanov] ; translated from Bulgarian by Tatiana Stefanova and Tsvetelin Stepanov
Bulgars (Turkic people) -- Social conditions : The Bulgars and the steppe empire in the early Middle Ages : the problem of the others / [Tsvetelin Stepanov] ; translated from Bulgarian by Tatiana Stefanova and Tsvetelin Stepanov