Columbia subject headings:
Architecture, Domestic--Portugal--History--20th century.
Eclecticism in architecture--Portugal.
Mansions--Portugal.
Harvard subject headings:
Architecture, Domestic--Portugal--History--20th century.
Eclecticism in architecture--Portugal.
Mansions--Portugal.
Princeton subject headings:
Architecture, Domestic--Portugal--History--20th century.
Eclecticism in architecture--Portugal.
Mansions--Portugal.