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