Columbia subject headings:
Architecture, Modern--20th century--Themes, motives.
Architecture, Modern--21st century--Themes, motives.
Transparency in architecture.
Harvard subject headings:
Architecture, Modern--20th century--Themes, motives
Architecture, Modern--21st century--Themes, motives.
Transparency in architecture.
Princeton subject headings:
Architecture, Modern--20th century--Themes, motives.
Architecture, Modern--21st century--Themes, motives.
Transparency in architecture.