Architectural model in colour, Competition entry 158, City Hall and Square Competition, Toronto, 1958, by William Hayward and Associates of the United States . This entry was a finalist.
William Hayward and Associates
Toronto Public Library's Digital Archive: http://www.torontopubliclibrary.ca/detail.jsp?Entt=RDMDC-CITYHALL-A-R5-07&R=DC-CITYHALL-A-R5-07
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)