books.google.ca - The Atlas of North American English provides the first overall view of the pronunciation and vowel systems of the dialects of the U.S. and Canada. The Atlas re-defines the regional dialects of American English on the basis of sound changes active in the 1990s and draws new boundaries reflecting those...http://books.google.ca/books/about/The_Atlas_of_North_American_English.html?id=qa4-dFqi6iMC&utm_source=gb-gplus-shareThe Atlas of North American English
