http://polyglot.lss.wisc.edu/dare/dare.html http://www.hup.harvard.edu/catalog/CASDI1.html http://www.hup.harvard.edu/catalog/CASDI2.html http://www.hup.harvard.edu/catalog/CASDI3.html http://www.npr.org/templates/story/story.php?storyId=102230255 http://en.wikipedia.org/wiki/Dictionary_of_American_Regional_English