Columbia subject headings:
Harvard subject headings:
Constitutional history--Germany--Prussia
Prussia (Germany)--History.
Prussia (Germany)--Politics and government--1870-1947.
Prussia (Germany)--Politics and government.
Sovereignty--Germany--Prussia.
State succession.
Princeton subject headings:
Prussia (Germany)--History.
Prussia (Germany)--Politics and government--1870-1947.
Sovereignty--Germany--Prussia.
State succession.