Columbia subject headings:
Rostovskai︠a︡ oblastʹ (Russia)--History.
World War, 1939-1945--Russia (Federation)--Rostovskai︠a︡ oblastʹ.
Harvard subject headings:
Rostovskai︠a︡ oblastʹ (Russia)--History.
World War, 1939-1945--Russia (Federation)--Rostovskai︠a︡ oblastʹ.
Princeton subject headings: