Columbia subject headings:
Architecture--Spain--History--20th century--Pictorial works.
Architecture--Spain--History--21st century--Pictorial works.
Portela, C. (César)
Harvard subject headings:
Architects--Spain.
Architecture--Spain--21st century.
Portela, C. (César)
Princeton subject headings:
Architecture, Spanish.
Catalogs.
Portela, C. (César)--Catalogs.