Columbia subject headings:
Harvard subject headings:
Germans--Poland--History
Poland--Ethnic relations--History--20th century.
Sępólno Krajeńskie (Poland : Powiat)--History.
Sępólno Krajeńskie (Poland : Powiat)--Social conditions.
Złotów (Poland)--History.
Złotów (Poland)--Social conditions.
Princeton subject headings:
Germans--Poland--Sępólno Krajeńskie.
Germans--Poland--Złotów.
Sępólno Krajeńskie (Poland)--Ethnic relations.
Złotów (Poland)--Ethnic relations.