found: Sandusky County Engineer (Ohio). Map of Fremont, Ohio, 1982:map recto (Fremont)
found: LC data base, 3/21/84(hdg.: Fremont, Ohio)
found: NUCMC data from Rutherford B. Hayes Presidential Center for Ball, L.C. Papers, 1822-1850(Lower Sandusky, Ohio; later name changed to Fremont, Ohio)
found: Lippincott, 1964(under Fremont: city; Ohio; Sandusky County; two towns united in 1829 as Lower Sandusky; renamed Fremont in 1849)
found: GNIS, June 23, 2006:(Fremont, Sandusky County, OH, PPL; 41°21ʹ01ʺN, 83°07ʹ40ʺW; variant names Croghanville, Freemont, Lower Sandusky)