Columbia subject headings:
Architecture, Baroque--Spain--Madrid.
Casón del Buen Retiro.
Madrid (Spain)--Buildings, structures, etc.
Palaces--Spain--Madrid.
Philip IV, King of Spain, 1605-1665--Palaces--Spain--Madrid.
Harvard subject headings:
Architecture, Baroque--Spain--Madrid.
Casón del Buen Retiro.
Madrid (Spain)--Buildings, structures, etc.
Philip IV, King of Spain, 1605-1665--Palaces--Spain--Madrid.
Princeton subject headings:
Architecture, Baroque--Spain--Madrid.
Casón del Buen Retiro.
Madrid (Spain)--Buildings, structures, etc.
Palaces--Spain--Madrid.
Philip IV, King of Spain, 1605-1665--Palaces--Spain--Madrid.