Sources!

Sources:

Scott Herring, "The Hoosier Apex". 2009. http://www.tandfonline.com/doi/pdf/10.1080/10417940903060955

Rick Aschmann, "North American English Dialects, Based on Pronunciation Patterns". http://aschmann.net/AmEng/

William Labov, "A Study of Non-Standard English". 1969.

Matthew T Campbell, "Generic Names for Soft Drinks by County". Published by East Central University (Oklahoma). Gif.

Murray, Thomas Edward, and Beth Lee Simon, "Language Variation and Change in the American Midland". Published by John Benjamins Publishing Co., 2006.

Deena Fogle, "Indianapolis, Indiana: A prototype of Midland convergence." Published in the University of Pennsylvania Working Papers in Linguistics 14.1

Andreas H. Jucker, “The discourse marker well: A relevance-theoretical account”. (http://www.sciencedirect.com/science/article/pii/0378216693900049)

Andreas, Jucker., Smith, Sara, "Discourse Markers: Descriptions and Theory". Published by the John Benjamins Publishing Company.

Sharon Ash, Boberg, Charles., Labov, “A National Map of The Regional Dialects of American English” (http://www.ling.upenn.edu/phono_atlas/NationalMap/NationalMap.html)

Lawrence Davis, Houck, Charles. “Is There a Midland Dialect Area? --- Again” (http://www.jstor.org/stable/455758)

Lawrence Davis, Houck, Charles. “What Determines a Dialect Area? Evidence from The Linguistic Atlas of the Upper Midwest” (http://www.jstor.org/stable/455618)

Deena Fogle. “Indianapolis, Indiana: A Prototype of midland Convergence.” (http://repository.upenn.edu/cgi/viewcontent.cgi?article=1027&context=pwpl)

Kortmann, Bernd., Schneider, Edward, "A Handbook of Varieties of English: A Multimedia Reference Tool". (1954-, ) Published by Walter D Gruyter, 2004.

Leith, Dick. “Tense Variation as a Performance Feature in a Scottish Folktale” (http://www.jstor.org/stable/4168581)