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