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