Columbia subject headings:
Genocide--Germany--History--20th century.
Germans--Europe, Eastern--History--20th century.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Refugees.
Harvard subject headings:
Germans--Europe, Eastern--History--20th century
Population transfers--Germans.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Refugees.
Princeton subject headings:
Germans--Europe, Eastern--History--20th century.
Population transfers--Germans.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Refugees.