Columbia subject headings:
Educators--Russia (Federation)--Chuvashia--Biography.
I︠A︡kovlev, I. I︠A︡. (Ivan I︠A︡kovlevich), 1848-1930.
Teachers--Training of--Russia (Federation)--Chuvashia--Biography.
Harvard subject headings:
Educators--Russia (Federation)--Chuvashia--Biography.
I︠A︡kovlev, I. I︠A︡. (Ivan I︠A︡kovlevich), 1848-1930
Teachers--Training of--Russia (Federation)--Chuvashia--Biography.
Princeton subject headings: