Ustanovlenie sovetskoĭ vlasti v Chuvashiiby Cheboksary (Chuvashskai︠a︡ A.S.S.R., R.S.F.S.R.). Chuvashskiĭ nauchno-issledovatelʹskiĭ institut i︠a︡zyka, literatury, istorii i ekonomikiHistoryWriting a summary for young readers…For young readersBook data: Open Library