Columbia subject headings:
Harvard subject headings:
Portuguese literature--History and criticism--Periodicals.
Portuguese philology--Periodicals.
Spanish literature--History and criticism--Periodicals
Spanish philology--Periodicals.
Princeton subject headings:
Periodicals.
Portuguese literature--History and criticism--Periodicals.
Portuguese philology--Periodicals.
Spanish literature--History and criticism--Periodicals.
Spanish philology--Periodicals.