Columbia subject headings:
Architecture--Ontario--Toronto--History--19th century.
Architecture--Ontario--Toronto--History--20th century.
Architecture--Ontario--Toronto.
Buildings--Ontario--Toronto.
Toronto (Ont.)--History.
Harvard subject headings:
Buildings--Ontario--Toronto--Pictorial works.
Historic buildings--Ontario--Toronto--Pictorial works.
Toronto (Ont.)--Buildings, structures, etc.--Pictorial works.
Toronto (Ont.)--Maps.
Princeton subject headings:
Toronto (Ont.)--Archival resources.
Toronto (Ont.)--Historical geography.
Toronto (Ont.)--History.