Delaware County, Iowa (Fanning's, 1853)
Gazetteer/Almanac
DELAWARE COUNTY, situated in the eastern part of Iowa. Area, 576 square miles, Seat of justice, Delhi. Pop. in 1840, 168 ; in 1850, 1,759.
Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 104.