The generous action of the Margaret Rockefeller Strong de Larraín, Marquesa de Cuevas in acquiring the property in 1965 and presenting it to the Queen Sofía Spanish Institute, saved the building and assured its architectural integrity.
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Together with the buildings of the neighboring Oliver D. Filley House (now the Queen Sofía Spanish Institute) at 684 Park Avenue and the Henry P. Davison House (now the Italian Consulate General) at 690 Park Avenue, it forms one of the last intact architectural ensembles on Park Avenue.