Columbia subject headings:
Harvard subject headings:
National characteristics, Portuguese--Political aspects.
Nationalism--Portugal
Portugal--Relations--Portuguese-speaking countries.
Portuguese-speaking countries--Civilization.
Portuguese-speaking countries--Relations--Portugal.
Princeton subject headings:
National characteristics, Portuguese--Political aspects.
Nationalism--Portugal.
Portugal--Relations--Portuguese-speaking countries.
Portuguese-speaking countries--Civilization.
Portuguese-speaking countries--Relations--Portugal.