Columbia subject headings:
Art and society--Spain--Castile--History--20th century.
Art, Spanish--20th century.
Artistic collaboration--Spain--Castile--History--20th century.
Group work in art--Spain--Castile--History--20th century.
Harvard subject headings:
Art and society--Spain--Castile--History--20th century.
Art, Spanish--20th century.
Artistic collaboration--Spain--Castile--History--20th century.
Group work in art--Spain--Castile--History--20th century.
Princeton subject headings:
Art and society--Spain--Castile--History--20th century.
Art, Spanish--20th century.
Artistic collaboration--Spain--Castile--History--20th century.
Group work in art--Spain--Castile--History--20th century.