Columbia subject headings:
Asia--History.
Portugal--Colonies--Asia--History.
Portuguese--Asia.
Harvard subject headings:
Asia--Relations--Portugal--History.
Portugal--Colonies--Asia--History.
Portugal--Relations--Asia--History.
Portuguese--Asia--History
Princeton subject headings:
Portugal--Asian--History.
Portugal--Colonies--Asia--Commerce.
Portugal--Colonies--Asia--History--16th century.