Canadian Archival Information Network
Ontario Archival Information Network
Archives Network of Alberta
Nova Scotia's Archival Database
British Columbia Archival Union List
Canadian North West Archival Network
Réseau de diffusion des archives du Québec
Saskatchewan/Manitoba Archival Information Network
Yukon Archival Union List - seemingly non-functional 30 June 2006
Province of New Brunswick has a number of searchable databases on line: vital stats 1800-1955, port returns, cemeteries, private records such as Irish famine migration, land grants and petitions, historical images and newsppaer directory
National Archives of Canada
Archives Canada
Archives Canada - Canadian Genealogy Centre
Archives of Ontario
W.C. McGeorge Building of Chatham-Kent
National Archives of the UK "from Domesday to the present"
National Archives of Scotland
National Archives of Ireland
Archdiocese of Toronto
Domesday Book
The National Archives of Ireland
1901 and 1911 Census digitisation project -- Ireland