Columbia subject headings:
Agriculture--Germany--Prussia.
Labor--Agricultural--Germany--Prussia.
Harvard subject headings:
Agricultural laborers--Pomerania (Poland and Germany)
Agricultural laborers--Pomerania.
Agriculture--Pomerania (Poland and Germany)
Agriculture--Pomerania.
Landlord and tenant--Pomerania (Poland and Germany)
Landlord and tenant--Pomerania.
Princeton subject headings: