3 architectural drawings on 1 sheet, Competition entry 158, City Hall and Square Competition, Toronto, 1958, by William Hayward and Associates of the United States. Three section drawings. 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-R2-21&R=DC-CITYHALL-A-R2-21
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)