Columbia subject headings:
Constitutional history--Poland--Poznań (Voivodeship)
Poznań (Poland : Voivodeship)--Politics and government.
Harvard subject headings:
Constitutional history--Poland--Poznań (Voivodeship).
Poznań (Poland : Voivodeship)--Politics and government.
Princeton subject headings:
Poland--Foreign relations--Prussia (Germany).
Poland--History--1795-1864.
Prussia (Germany)--Foreign relations--Poland.
Prussia (Germany)--History--1815-1870.