4 architectural drawings on 1 sheet, Competition entry 158, City Hall and Square Competition, Toronto, 1958, by William Hayward and Associates of the United States. Four floor plans showing government areas and Council Chamber. 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-R3-18&R=DC-CITYHALL-A-R3-18
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)