Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 109.
DYER COUNTY, situated on the westerly boundary of Tennessee, with Mississippi river on the west. Area, 840 square miles. Seat of justice, Dyersburgh. Pop. in 1830, 1,904; in 1840, 4,484; in 1850, 6,361.