Columbia subject headings:
Feudal law--Germany.
Feudalism--Germany--History.
Monarchy--Germany--History.
Sovereignty.
Harvard subject headings:
Constitutional history, Medieval.
Feudal law--Germany.
Feudalism--Germany--History.
Law, Medieval.
Monarchy--Germany--History--To 1500.
Monarchy--Germany--History.
Sovereignty.
Princeton subject headings:
Feudal law--Germany.
Feudalism--Germany--History.
Monarchy--Germany--History.
Sovereignty.