Columbia subject headings:
Architecture--Conservation and restoration.
Architecture--Illinois--Chicago Metropolitan Area.
Historic buildings--Illinois--Chicago Metropolitan Area.
Harvard subject headings:
Architecture--Conservation and restoration
Architecture--Illinois--Chicago Metropolitan Area.
Chicago Metropolitan Area (Ill.)--Historic buildings.
Historic buildings--Illinois--Chicago Metropolitan Area.
Princeton subject headings:
Architecture--Conservation and restoration.
Architecture--Illinois--Chicago Metropolitan Area.
Chicago Metropolitan Area (Ill.)--Historic houses, etc.