Columbia subject headings:
Architectural drawing--Conservation and restoration--Illinois--Chicago--Exhibitions.
City planning--Illinois--Chicago--Exhibitions.
City planning--Illinois--Exhibitions.
Commercial Club of Chicago. Plan of Chicago--Exhibitions.
Harvard subject headings:
Architectural drawing--Conservation and restoration--Illinois--Chicago--Exhibitions.
Architecture--Designs and plans--Conservation and restoration--Exhibitions.
City planning--Illinois--Chicago--Exhibitions.
City planning--Illinois--Chicago--Pictorial works.
City planning--Illinois--Exhibitions.
Commercial Club of Chicago. Plan of Chicago--Exhibitions.
Princeton subject headings:
Architectural drawing--Conservation and restoration--Illinois--Chicago--Exhibitions.
City planning--Illinois--Chicago--Exhibitions.
Commercial Club of Chicago. Plan of Chicago--Exhibitions.