Chambers, J. K. "The Canada-U.S. border as a vanishing isogloss: the evidence of chesterfield". Journal of English Linguistics; 23 (1995): 156–66, excerpt at chass.utoronto.caArchived 2007-09-12 at the Wayback Machine.
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Chambers, J. K. "The Canada-U.S. border as a vanishing isogloss: the evidence of chesterfield". Journal of English Linguistics; 23 (1995): 156–66, excerpt at chass.utoronto.caArchived 2007-09-12 at the Wayback Machine.