Columbia subject headings:
Museo del Prado--Catalogs.
Painting, European.
Painting--Spain--Madrid.
Harvard subject headings:
Museo del Prado--Catalogs.
Museo del Prado--History.
Painting--Spain--Madrid--Catalogs
Princeton subject headings:
Catalogs.
Museo del Prado--Catalogs.
Painting, European--Catalogs.
Painting--Spain--Madrid--Catalogs.