Columbia subject headings:
Lithuania--Ethnic relations.
Lithuania--Relations--Poland.
Poland--Relations--Lithuania.
Polish people--Lithuania.
World War, 1939-1945--Foreign relations.
Harvard subject headings:
Lithuania--Ethnic relations.
Lithuania--Relations--Poland.
Poland--Relations--Lithuania
Polish people--Lithuania.
World War, 1939-1945--Diplomatic history.
Princeton subject headings:
Lithuania--Relations--Poland--History.
Poland--Relations--Lithuania--History.
World War, 1939-1945--Lithuania.