Columbia subject headings:
Portugal--Colonies--Administration.
Portugal--Politics and government--1580-1640.
Spain--Colonies--Administration.
Spain--Politics and government--1516-1700.
Harvard subject headings:
Princeton subject headings:
Colonization.
Portugal--Politics and government--1580-1640.
Portugal--Politics and government--17th century.
Portugal--Politics and government--18th century.
Spain--Politics and government--1516-1700.