Columbia subject headings:
Monarchy--Spain--History--16th century.
Spain--Civilization--1516-1700.
Spain--History, Military--16th century.
Spain--Politics and government--1516-1700.
Harvard subject headings:
Monarchy--Spain--History--16th century.
Spain--Civilization--1516-1700.
Spain--History, Military--16th century.
Spain--Politics and government--1516-1700.
Princeton subject headings:
Monarchy--Spain--History--16th century.
Spain--Civilization--1516-1700.
Spain--History, Military--16th century.
Spain--Politics and government--1516-1700.