Columbia subject headings:
Harvard subject headings:
Germany--Social conditions--20th century.
Population transfers--Germans--History--20th century--Congresses.
Refugee camps--Germany--History--20th century--Congresses.
World War, 1939-1945--Forced repatriation--Congresses.
World War, 1939-1945--Refugees--Germany--Congresses.
Princeton subject headings:
Emergency housing--Germany--History--20th century.
Germany--Social conditions--20th century.
Refugees--Germany--History--20th century.