Links
Web resources I have used:

Cyndi's List
Getty Thesaurus of Geographic Names
Ontario Vital Statistics Project
FamilySearch.Org: The I.G.I.
Batch Numbers for IGI

Censuses

1842, 1851, 1861 ON -- The Official Ontario GenWeb Census Project
1881 CA UK US -- FamilySearch.Org
1901 & 1911 CA  -- Automated Genealogy

1861, 1891 + BMD UK -- 1837 Online
1901 EN WA -- The 1901 Census for England & Wales