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