Columbia subject headings:
Chuvash (Turkic people)--History.
Chuvashia (Russia)--History.
Ethnology--Russia (Federation)--Chuvashia.
Harvard subject headings:
Chuvash (Turkic people)--History.
Chuvashia (Russia)--History.
Ethnology--Russia (Federation)--Chuvashia
Princeton subject headings:
Chuvash (Turkic people)--History.
Chuvashia (Russia)--History.
Ethnology--Russia (Federation)--Chuvashia.