Columbia subject headings:
Europe--Kings and rulers.
Europe--Politics and government.
Monarchy--History.
Harvard subject headings:
Europe--Kings and rulers.
Europe--Politics and government--1492-1648.
Europe--Politics and government--476-1492.
Monarchy--History
Princeton subject headings:
Europe--Kings and rulers.
Europe--Politics and government--1492-1648.
Europe--Politics and government--476-1492.
Monarchy--History.