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