De Witt County, Illinois (Fanning's, 1853)
Gazetteer/Almanac
DE WITT COUNTY, situated near the central part of Illinois. Area, ----- square miles. Seat of justice, Clinton. Pop. in 1850, 5,002.
Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 105.