Columbia subject headings:
Architecture, Modern--20th century--Congresses.
Sert, José Luis, 1902-1983--Congresses.
Harvard subject headings:
Architects--Spain.
Architecture--Spain--20th century.
Sert, José Luis, 1902-1983--Congresses.
Princeton subject headings:
Architecture, Modern--20th century--Congresses.
Sert, José Luis, 1902-1983--Congresses.