Architectural model, Competition entry 084, City Hall and Square Competition, Toronto, 1958, by I. M. Pei & Associates of the United States. This entry was a finalist.
I. M. Pei & Associates
Toronto Public Library's Digital Archive: http://www.torontopubliclibrary.ca/detail.jsp?Entt=RDMDC-CITYHALL-A-R3-13&R=DC-CITYHALL-A-R3-13
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)