The Canada Gazette is Canada's official newspaper of record and is available online at the Library and Archives Canada site from 1841 to 1997. The Gazette includes items such as naturalisations, military appointments, bankruptcies and much more.
http://www.collectionscanada.gc.ca/da...es/canada-gazette/001060-100.03-e.php
Some free views.
https://newspaperarchive.com/ca/?gclid=CPi2nrPTjNMCFYWXvAodrvAIOA
A discovery portal for Canada's digitised collections from libraries, archives and museums. Includes digitised photographs and texts.
http://search.canadiana.ca
Search newspapers available online.
http://news.google.com/newspapers
The Almonte Gazette, Almonte, Ontario, Canada. Searchable from 1861-1989.
http://mvtm.ca/mvtm/?page_id=2759
Lists some Canadian and US newspapers available to search online. Also lists where newspaper archives are held in Canada.
http://www.theancestorhunt.com
Digital archive of newspaper from Victoria, British Columbia, Canada.
http://www.britishcolonist.ca
Newspapers from an area of Ontario, Canada.
http://news.ourontario.ca/newmarket/search