Columbia subject headings:
Art and state--Spain--History--20th century.
Art museums--Spain--Madrid--History.
Museo del Prado--History.
Harvard subject headings:
Art and state--Spain--History--20th century.
Art museums--Spain--Madrid--History.
Museo del Prado--History.
Princeton subject headings:
Art and state--Spain--History--20th century.
Art museums--Spain--Madrid--History.
Museo del Prado--History.