Columbia subject headings:
Architects--Spain--History--20th century.
Architecture--Spain--History--20th century.
G.A.T.C.P.A.C. (Group)
Modern movement (Architecture)--Portugal.
Modern movement (Architecture)--Spain.
Harvard subject headings:
Architects--Spain--History--20th century.
Architecture--Spain--History--20th century
G.A.T.E.P.A.C. (Group)
Grupo de Arquitectos y Técnicos Catalanes para el Progreso de la Arquitectura Contemporánea.
Modern movement (Architecture)--Portugal.
Modern movement (Architecture)--Spain.
Princeton subject headings: