2 architectural drawings on 1 sheet, Competition entry 84, City Hall and Square Competition, Toronto, 1958, by I. M. Pei & Associates of the United States. Main government floor plan and section drawing showing semicircular arches. 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
Arthur, Eric Ross
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)