Columbia subject headings:
Aragon (Spain)--Politics and government--16th century.
Juana, la Loca, Queen of Castile, 1479-1555.
Regency--Spain--Aragon--History--16th century.
Spain--Politics and government--1516-1556.
Spain--Politics and government--1556-1598.
Viceroys--Spain--Aragon--History--16th century.
Harvard subject headings:
Aragon (Spain)--Politics and government--16th century.
Juana, la Loca, Queen of Castile, 1479-1555.
Regency--Spain--Aragon--History--16th century.
Spain--Politics and government--1516-1556.
Spain--Politics and government--1556-1598.
Viceroys--Spain--Aragon--History--16th century.
Princeton subject headings:
Spain--History--Charles I, 1516-1556.
Spain--History--Philip II, 1556-1598.