Columbia subject headings:
Architecture--Ohio--Cincinnati--Exhibitions.
Buildings--Ohio--Cincinnati--Exhibitions.
Historic buildings--Ohio--Cincinnati--Exhibitions.
Harvard subject headings:
Architecture--Ohio--Cincinnati--Exhibitions.
Cincinnati (Ohio)--Buildings, structures, etc.--Exhibitions.
Historic buildings--Ohio--Cincinnati--Exhibitions.
Princeton subject headings:
Architecture--Ohio--Cincinnati--Exhibitions.
Cincinnati (Ohio)--Buildings, structures, etc.--Exhibitions.
Historic buildings--Ohio--Cincinnati--Exhibitions.