Columbia subject headings:
Harvard subject headings:
National characteristics, Prussian.
Poland--Relations--Prussia, East (Poland and Russia)
Prussia, East (Poland and Russia)--Foreign public opinion, Polish.
Prussia, East (Poland and Russia)--Relations--Poland.
Princeton subject headings:
National characteristics, Prussian.
Poland--Relations--Prussia, East (Poland and Russia).
Prussia, East (Poland and Russia)--Foreign public opinion, Polish.
Prussia, East (Poland and Russia)--Relations--Poland.