Columbia subject headings:
Gdańsk Region (Poland)--History.
Prussia, East (Poland and Russia)--History.
World War, 1939-1945--Poland--Gdańsk Region.
World War, 1939-1945--Prussia, East (Poland and Russia)
World War, 1939-1945--Refugees.
Harvard subject headings:
Gdańsk Region (Poland)--History.
Prussia, East (Poland and Russia)--History.
World War, 1939-1945--Poland--Gdańsk Region.
World War, 1939-1945--Prussia, East (Poland and Russia)
World War, 1939-1945--Refugees.
Princeton subject headings: