Columbia subject headings:
Deportation--Poland--Oder-Neisse area.
Population transfers--Germans--History--Sources.
Harvard subject headings:
Population transfers--Germans--History--Sources.
Western and Northern Territories (Poland)--History--Sources.
World War, 1939-1945--Deportations from Poland--Sources.
World War, 1939-1945--Refugees--Sources.
Princeton subject headings:
Population transfers--Germans--History--Sources.
Population transfers--Poland--Oder-Neisse area--History--Sources.