Columbia subject headings:
Painting--Private collections--Spain.
Philip IV, King of Spain--Art collections.
Harvard subject headings:
Princeton subject headings:
Lorrain, Claude, 1600-1682--Exhibitions.
Museo del Prado--Exhibitions.
Painting--Spain--Madrid--Exhibitions.
Philip IV, King of Spain, 1605-1665--Art collections--Exhibitions.
Rubens, Peter Paul, Sir, 1577-1640--Exhibitions.
Velázquez, Diego, 1599-1660--Exhibitions.