Columbia subject headings:
Architects and patrons--Ontario--Toronto.
Architecture--Ontario--Toronto.
Toronto (Ont.)--Buildings, structures, etc.
Harvard subject headings:
Architects and patrons--Ontario--Toronto.
Architecture--Ontario--Toronto.
Historic buildings--Ontario--Toronto.
Toronto (Ont.)--Buildings, structures, etc.
Princeton subject headings:
Architects and patrons--Ontario--Toronto--History.
Architecture--Ontario--Toronto--History.
Buildings--Ontario--Toronto--History.