Columbia subject headings:
Soviet Union--History--German occupation, 1941-1944--Congresses.
World War, 1939-1945--Campaigns--Soviet Union--Congresses.
Harvard subject headings:
Soviet Union--History--German occupation, 1941-1944--Congresses.
World War, 1939-1945--Campaigns--Soviet Union--Congresses.
Princeton subject headings:
Europe, Eastern--Politics and government--1918-1945.
Germany--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Germany.
World War, 1939-1945--Campaigns--Russia (Federation)