Columbia subject headings:
Literature and society--Portugal--Periodicals.
Portuguese literature--History and criticism--Periodicals.
Harvard subject headings:
Civilization, Modern--Portuguese influences--Periodicals.
Portugal--Civilization--Periodicals.
Portuguese literature--Foreign countries--Periodicals.
Portuguese literature--History and criticism--Periodicals.
Princeton subject headings:
Periodicals.
Portuguese literature--History and criticism--Periodicals.
Portuguese-speaking countries--Social life and customs--Periodicals.