G. M. Dău̇lătshin

• Boryn-boryn zamanda--
• Bulgarskai︠a︡ t︠s︡ivilizat︠s︡ii︠a︡ na Volge
• Tatarstan tarikhynnan khikăi︠a︡lăr
• Tȯrki-tatar rukhi mădănii︠a︡te tarikhy
• Volzhskaia Bulgariia