Columbia subject headings:
Agriculture and state--Poland--History.
Agriculture--Poland--Societies, etc.--History.
Centralne Towarzystwo Rolnicze (Poland)--History.
Harvard subject headings:
Agriculture and state--Poland--History.
Agriculture--Poland--Societies, etc.--History.
Centralne Towarzystwo Rolnicze (Poland)--History.
Princeton subject headings:
Agriculture and state--Poland--History.
Agriculture--Poland--Societies, etc.--History.
Centralne Towarzystwo Rolnicze (Poland)--History.