Columbia subject headings:
Architectural design--Themes, motives.
Architecture, Modern--20th century.
Calatrava, Santiago, 1951---Notebooks, sketchbooks, etc.
Framing (Building)
Structural design--Themes, motives.
Harvard subject headings:
Architectural design--Themes, motives.
Architecture, Modern--20th century--Catalogs
Architecture, Modern--21st century
Architecture--Technological innovations
Calatrava, Santiago, 1951---Catalogs.
Calatrava, Santiago, 1951---Notebooks, sketchbooks, etc.
Framing (Building)
Structural design--Themes, motives.
Princeton subject headings:
Architecture, Modern--20th century--Spain.
Calatrava, Santiago, 1951-