Columbia subject headings:
Architecture, Modern--19th century--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Architecture--Philosophy--Exhibitions.
Harvard subject headings:
Architectural drawing--Exhibitions.
Architecture, Modern--19th century--Exhibitions.
Architecture, Modern--20th century--Exhibitions
Architecture, Modern--Exhibitions.
Architecture--Philosophy--Exhibitions.
Princeton subject headings:
Architectural drawing--Exhibitions.
Architecture, Modern--18th century--Exhibitions.
Architecture, Modern--19th century--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Architecture--Philosophy--Exhibitions.