Columbia subject headings:
Belarus, Western--History.
Ukraine, Western--History--Soviet occupation, 1939-1941.
World War, 1939-1945--Belarus, Western.
World War, 1939-1945--Ukraine, Western.
Harvard subject headings:
Belarus, Western--History--20th century--Congresses.
Belarus, Western--Relations--Soviet Union--Congresses.
Propaganda, Soviet--Belarus, Western--Congresses.
Propaganda, Soviet--Ukraine, Western--Congresses.
Soviet Union--Relations--Belarus, Western--Congresses.
Soviet Union--Relations--Ukraine, Western--Congresses.
Ukraine, Western--History--Soviet occupation, 1939-1941--Congresses.
Ukraine, Western--Relations--Soviet Union--Congresses.
Princeton subject headings:
Belarus--Relations--Ukraine.
Poland--Foreign relations.
Soviet Union--Foreign relations--Ukraine.
Ukraine--Foreign relations--Soviet Union.
Ukraine--Relations--Belarus.
World War, 1939-1945--Belarus.
World War, 1939-1945--Soviet Union.
World War, 1939-1945--Ukraine.