Columbia subject headings:
Germans--Poland--History--20th century.
Germans--Relocation--Poland--Case studies.
Population transfers--Germans--History--20th century.
Harvard subject headings:
Germans--Poland--History--20th century
Germans--Relocation--Poland--Case studies.
Population transfers--Germans--History--20th century.
Princeton subject headings:
Deportation--Poland.
Germans--Poland.
Germany--Relations--Poland.
Poland--Relations--Germany.