Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Campaigns--Eastern Front.
World War, 1939-1945--Campaigns--Soviet Union.
Princeton subject headings:
Elʹni︠a︡ (Elʹninskiĭ raĭon, Russia)--History--20th century.
World War, 1939-1945--Campaigns--Russia (Federation)--Elʹni︠a︡.