Columbia subject headings:
Africa, Portuguese-speaking--Civilization--Periodicals.
Brazil--Civilization--Periodicals.
Portugal--Civilization--Periodicals.
Portugal--Colonies--Civilization--Periodicals.
Harvard subject headings:
Brazil--Civilization--Periodicals.
Portugal--Civilization--Periodicals.
Portugal--Colonies--Civilization--Periodicals.
Portuguese literature--History and criticism--Periodicals.
Princeton subject headings:
Africa, Portuguese-speaking--Civilization--Periodicals.
Brazil--Civilization--Periodicals.
Periodicals.
Portugal--Civilization--Periodicals.
Portugal--Colonies--Civilization--Periodicals.