Brown, Rollo Walter: A Word-List From Western Indiana, Dialect Notes, vol. iii, p. 570.
Carruth, W. H.: Dialect Word List (of Kansas), Kansas University Quarterly, vol. i, p. 95 and p. 133; vol. vi, p. 51 and p. 85.
G. D. C.: Russian Words in Kansas, Dialect Notes, vol. iv, p. 161.
Hanley, O. W.: Dialect Words From Southern Indiana, Dialect Notes, vol. ii, p. 173.
Hart, J. M. (and others): Notes from Cincinnati, Dialect Notes, vol. i, p. 60.
Kenyon, John S.: Western Reserve Word-List, Dialect Notes, vol. iv, p. 386.
Parry, W. H.: Dialect Peculiarities in Southeastern Ohio, Dialect Notes, vol. iv, p. 339.
Pound, Loūise: A Second Word-List From Nebraska, Dialect Notes, vol. iii, p. 541; vol. iv, p. 271.
——: Dialect Speech in Nebraska, Dialect Notes, vol. iii, p. 55.
Rice, William O.: The Pioneer Dialect of Southern Illinois, Dialect Notes, vol. ii, p. 225.
Ruppenthal, J. C.: A Word-List From Kansas, Dialect Notes, vol. iv, p. 101 and p. 319.
Weeks, R. L.: Notes From Missouri, Dialect Notes, vol. i, p. 235.