Columbia subject headings:
Harvard subject headings:
Ballester, Jorge, 1941---Criticism and interpretation.
Cardells, Joan, 1948---Criticism and interpretation.
Equipo Realidad.
Princeton subject headings:
Art, Spanish--20th century.
Artistic collaboration--Spain.
Ballester, Jorge, 1941---Criticism and interpretation.
Cardells, Joan, 1948---Criticism and interpretation.
Equipo Realidad.