A History of Canadian Astronomy, Richard A. Jarrell, University of Toronto Press, 1988, External links Official web site for the Observatory (2018–) Official web site for the Observatory (2009–2016) Richmond Hill Naturalists – Save the Observatory Site Archival papers of Clarence Augustus Chant, a lobbyist for the observatory, held at University of Toronto Archives and Records Management Services Archival papers of Frank Scott Hogg, Director (1946), held at University of Toronto Archives and Records Management Services Astronomical observatories in Canada University of Toronto buildings Buildings and structures completed in 1935 Buildings and structures in Richmond Hill, Ontario National Historic Sites in Ontario