Columbia subject headings:
Harvard subject headings:
Europe--Civilization--1945---Congresses.
Europe--Politics and government--20th century--Congresses.
Germans--Poland--History--20th century--Congresses.
Germans--Relocation--Poland--Congresses.
Germany--Relations--Poland--Congresses.
Poland--Relations--Germany--Congresses
Population transfers--Germans--History--20th century--Congresses.
War and society--History--20th century--Congresses.
World War, 1939-1945--Forced repatriation--Congresses.
World War, 1939-1945--Psychological aspects--Congresses.
World War, 1939-1945--Refugees--Congresses.
World War, 1939-1945--Refugees--Germany--Congresses.
World War, 1939-1945--Social aspects--Europe--Congresses.
Princeton subject headings:
Europe--Civilization--1945---Congresses.
Europe--Politics and government--20th century--Congresses.
Germans--Poland--History--20th century--Congresses.
Germans--Relocation--Poland--Congresses.
Germany--Relations--Poland--Congresses.
Poland--Relations--Germany--Congresses.
Population transfers--Germans--History--20th century--Congresses.
War and society--History--20th century--Congresses.
World War, 1939-1945--Forced repatriation--Congresses.
World War, 1939-1945--Psychological aspects--Congresses.
World War, 1939-1945--Refugees--Congresses.
World War, 1939-1945--Social aspects--Europe--Congresses.