Carmony, Marvin.1972a. Aspects of Regional Speech in Indiana. In Studies in Linguistics in Honor of Raven I. McDavid, Jr, ed. by Lawrence M. Davis (University, AL: University of Alabama Press ), 9-24.
2.
Carmony, Marvin.1972b. Indiana Dialects in Their Historical Setting. Terre Haute: Indiana Council of Teachers of English).
3.
Carmony, Marvin.1977. The Regional Vocabulary of Terre Haute. Midwestern Journal of Language and Folklore3:3-34.
4.
Davis, Alva L.1951. Dialect Distribution and Settlement Patterns in The Great Lakes Region. Ohio State Archaeological and Historical Quarterly60:48-56.
5.
Davis, Lawrence M.1983. English Dialectology: An Introduction. University, AL: University of Alabama Press.
6.
Frazer, Timothy C.1973. The Dialect Subareas of the Illinois Midland. Diss., University of Chicago.
7.
Frazer, Timothy C.1978. South Midland Pronunciation in the North Central States. American Speech53:40-48.
8.
Frazer, Timothy C.1979. The Speech Island of the American Bottoms: A Problem in Social History. American Speech54:185-93.
9.
Frazer, Timothy C.1983. Sound Change and Social Structure in a Rural Community. Language and Society12:313-28.
10.
Habick, Timothy.1980. Sound Change in Farmer City: A Sociolinguistic Study Based on Acoustic Data. Diss., University of Illinois at Urbana-Champaign.
11.
Habick, Timothy.1983. Burnouts versus Rednecks: The Effects of Group Membership on the Phonemic System. Unpublished paper.
12.
Kurath, Hans, and Raven I. McDavid, Jr. 1982The Pronunciation of English in the Atlantic States. University, AL: University of Alabama Press.
13.
Labov, William.1966. The Social Stratification of English in New York City. Washington : Center for Applied Linguistics.
14.
Lambert, W. E., H. Giles , and O. Picard.1975 . Language Attitudes in a French-American Community. International Journal of the Sociology of Language4:127-52.
15.
Marckwardt, Albert H.1957. Principal and Subsidiary Dialect Areas in the North-Central States. Publication of the American Dialect Society27:3-15.
16.
Murray, Thomas E.1983. Some Sounds of St. Louis. Unpublished paper.
17.
Ryan, Ellen Bouchard, and Howard Giles.1982. Attitudes toward Language Variation: Social and Applied Contexts. London: Arnold.
18.
Shuy, Roger.1962. The Northern-Midland Dialect Boundary in Illinois. Publication of the American Dialect Society, 38.
19.
Shuy, Roger. and R. W. Fasold.1973. Language Attitudes: Current Trends and Prospects. Washington: Georgetown University Press.