Greenwald, M., Levitt, A., & Peebles, E. (1979). Welland Canals: Historical resource analysis and preservation alternatives. Heritage planning study, 0706-1218 (2nd rev. ed., reprinted). Toronto: Historical Planning and Research Branch.
Reference keyword: Historic sites Conservation and restoration Ontario
Cuming, D. J., & Fram, M. (1985). Ontario\textquoterights heritage conservation district guidelines Toronto: Ontario Ministry of Citizenship and Culture.
(1998). Heritage conservation easements Toronto, Ont: Ontario Heritage Foundation.
(2006). Heritage resources in the land use planning process: Cultural heritage and archaeology policies of the Ontario Provincial Policy Statement, 2005 Toronto: Ministry of Culture.