Columbia subject headings:
Chełmno (Poland : Voivodeship)--Economic conditions.
Chełmno (Poland : Voivodeship)--Social conditions.
Poland--Rural conditions.
Harvard subject headings:
Chemno Region (Toruń, Poland)--Economic conditions--History.
Chemno Region (Toruń, Poland)--Social conditions--History.
Chełmno Region (Województwo Kujawsko-Pomorskie, Poland)--Economic conditions--History.
Chełmno Region (Województwo Kujawsko-Pomorskie, Poland)--Social conditions--History.
Princeton subject headings: