Columbia subject headings:
Architects--Cuba--Catalogs.
Architects--Liechtenstein--Catalogs.
Porro, Ricardo, 1925-2014--Catalogs.
Porro, Ricardo, 1925-2014--Criticism and interpretation.
Harvard subject headings:
Architects--Cuba--Catalogs.
Architects--Cuba.
Architects--Liechtenstein--Catalogs.
Architecture--Cuba--Havana--20th century.
Architecture--Cuba--Vaduz--20th century.
Porro, Ricardo, 1925-
Porro, Ricardo, 1925-2014--Catalogs.
Porro, Ricardo, 1925-2014--Criticism and interpretation.
Princeton subject headings: