Columbia subject headings:
Harvard subject headings:
Architecture--Spain--Madrid--History.
Art--Spain--Madrid.
Embassy buildings--Spain--Madrid.
Interior decoration--Spain--Madrid.
Italy. Ambasciata (Spain)--Buildings.
Madrid (Spain)--Buildings, structures, etc.
Palaces--Madrid--Spain.
Palacio de los Marqueses de Amboage (Madrid, Spain)
Princeton subject headings:
Architecture--Spain--Madrid--20th century.
Embassy buildings--Spain--Madrid.
Interior decoration--Spain--Madrid.
Italy. Ambasciata (Spain)--Buildings.
Madrid (Spain)--Buildings, structures, etc.