Columbia subject headings:
Education--Russia (Federation)--Chuvashia--History.
Educators--Russia (Federation)--Chuvashia--Biography.
Savrukov, N. T.
Harvard subject headings:
Princeton subject headings:
Education--Russia (Federation)--Chuvashia--History.
Educators--Russia (Federation)--Chuvashia--Biography.
Savrukov, N. T.