Columbia subject headings:
Visual poetry, Spanish--20th century--Bio-bibliography.
Visual poetry, Spanish--20th century.
Harvard subject headings:
Spanish poetry--20th century
Spanish poetry--21st century.
Visual poetry, Spanish--20th century--Bio-bibliography.
Visual poetry, Spanish--20th century.
Visual poetry, Spanish.
Princeton subject headings:
Spanish poetry--20th century.
Spanish poetry--21st century.
Visual poetry, Spanish.