Columbia subject headings:
Spanish literature--20th century--Periodicals--History.
Spanish periodicals--History--20th century.
Harvard subject headings:
Spanish literature--20th century--Periodicals--History.
Spanish periodicals--History--20th century.
Princeton subject headings:
Literature, Experimental--Spain--History and criticism.
Spanish literature--20th century--History and criticism.
Spanish literature--Periodicals--History--20th century.