Columbia subject headings:
Spain--Literatures--History and criticism--Periodicals.
Spanish literature--20th century--History and criticism--Periodicals.
Harvard subject headings:
Spain--Literatures--History and criticism--Periodicals.
Spanish literature--20th century--History and criticism--Periodicals.
Princeton subject headings:
Spain--Literatures--20th century--History and criticism--Periodicals.
Spanish literature--20th century--History and criticism--Periodicals.