Columbia subject headings:
Avant-garde (Aesthetics)--Spain.
Criticism--Spain--History--20th century.
Literature, Experimental--Spain--History and criticism.
Spanish literature--20th century--History and criticism.
Harvard subject headings:
Avant-garde (Aesthetics)--Spain.
Criticism--Spain--History--20th century.
Literature, Experimental--Spain--History and criticism.
Spanish literature--20th century--History and criticism
Princeton subject headings:
Criticism--Spain.
Spanish literature--20th century--History and criticism.