Columbia subject headings:
Tuvinian (Turkic people)--History.
Harvard subject headings:
Communism--Russia (Federation)--Tuvinskai︠a︡ A.S.S.R.--History.
Tuva (Russia)--History.
Princeton subject headings:
Tuvinskai︠a︡ A.S.S.R. (R.S.F.S.R.)--History.