Columbia subject headings:
Art--Political aspects--Spain.
Painting, Spanish--17th century.
Palacio del Buen Retiro (Madrid, Spain)
Harvard subject headings:
Casón del Buen Retiro.
Museo del Prado
Palacio del Buen Retiro (Madrid, Spain)
Philip IV, King of Spain, 1605-1665--Art patronage.
Princeton subject headings: