Materialy po khozi︠a︡ĭstvu i obshchestvennomu stroi︠u︡ plemen I︠U︡zhnogo Urala

Institut istorii, i︠a︡zyka i literatury (Akademii︠a︡ nauk SSSR. Bashkirskiĭ nauchnyĭ t︠s︡entr), Nii︠a︡z Abdulkhakovich Mazhitov, A. Kh Pshenichni︠u︡k