Columbia subject headings:
Prussia (Germany)--Politics and government--1740-1815.
Prussia (Germany)--Politics and government--1806-1848.
Rhine Province (Germany)--Politics and government.
Harvard subject headings:
Princeton subject headings:
Prussia (Germany)--Politics and government--1740-1815.
Prussia (Germany)--Politics and government--1806-1848.
Rhine Province (Germany)--Politics and government.