Columbia subject headings:
Harvard subject headings:
Brazil--Intellectual life--19th century.
Brazil--Intellectual life--20th century.
Brazil--Relations--Portugal.
Portugal--Intellectual life--19th century.
Portugal--Intellectual life--20th century.
Portugal--Relations--Brazil.
Princeton subject headings:
Brazil--Intellectual life--19th century.
Brazil--Intellectual life--20th century.
Brazil--Relations--Portugal.
Portugal--Intellectual life--19th century.
Portugal--Intellectual life--20th century.
Portugal--Relations--Brazil.