Columbia subject headings:
Architecture--Exhibitions.
Architecture--Illinois--Chicago--History--19th century.
Architecture--Illinois--Chicago--History--20th century.
Architecture--Illinois--Chicago.
Harvard subject headings:
Architecture, Modern--19th century--Illinois--Chicago.
Architecture, Modern--20th century--Illinois--Chicago.
Architecture--Exhibitions
Architecture--Illinois--Chicago
Princeton subject headings:
Architecture, Modern--19th century--Illinois--Chicago.
Architecture, Modern--20th century--Illinois--Chicago.
Architecture--Exhibitions.
Architecture--Illinois--Chicago.