Columbia subject headings:
Harvard subject headings:
Ordinances, Municipal--Pomerania (Poland and Germany)--History.
Police regulations--Pomerania (Poland and Germany)--History.
Police--Pomerania (Poland and Germany)--History.
Princeton subject headings:
Ordinances, Municipal--Pomerania (Poland and Germany)--History--Sources.
Police regulations--Pomerania (Poland and Germany)--History--Sources.
Police reports--Germany--History--Sources.
Police reports--Pomerania (Poland and Germany)--History--Sources.