Columbia subject headings:
Constitutional history--Holy Roman Empire.
Germany--Politics and government--1517-1648.
Harvard subject headings:
Constitutional history--Holy Roman Empire
Germany--Politics and government--1517-1648.
Princeton subject headings:
Constitutional history--Holy Roman Empire.
Electors (Kurfürsten)
Holy Roman Empire--History--1517-1648.
Holy Roman Empire--Reichstag--History.
Legislative bodies--Holy Roman Empire--History.