Columbia subject headings:
Political persecution--Russia (Federation)--Tomskai︠a︡ oblastʹ--History--Sources.
Political prisoners--Russia (Federation)--Tomskai︠a︡ oblastʹ--Registers.
Soviet Union--History--1925-1953--Sources.
Harvard subject headings:
Princeton subject headings:
Political persecution--Russia (Federation)--Tomskai︠a︡ oblastʹ--History--Sources.
Political prisoners--Russia (Federation)--Tomskai︠a︡ oblastʹ--Registers.
Soviet Union--History--1925-1953--Sources.
Tomskai︠a︡ oblastʹ (Russia)--History.