Columbia subject headings:
Harvard subject headings:
Saint Petersburg (Russia)--History--Siege, 1941-1944--Sources.
World War, 1939-1945--Campaigns--Russia (Federation)--Sources.
Princeton subject headings:
Saint Petersburg (Russia)--History--Siege, 1941-1944--Sources.
World War, 1939-1945--Campaigns--Russia (Federation)--Sources.