1891. Sanborn Map Company. Franklin, Venango County, Pennsylvania, July 1891. 1 map on 12 sheets : col. ; sheets 65 x 54 cm. + title sheet. Scale approximately 1:600. 50 ft.... Sanborn Map Company.
1906. Sanborn Map Company. Insurance maps of Franklin, Venango County, Pennsylvania, August 1906. 1 map on 27 sheets : col. ; sheets 65 x 54 cm. + title sheet. Scale approxi... Sanborn Map Company.
1912. Sanborn Map Company. Insurance maps of Franklin, Venango County, Pennsylvania, May 1912. 1 map on 31 sheets : col. ; sheets 65 x 54 cm. + title sheet. Scale approximat... Sanborn Map Company.
1922. Sanborn Map Company. Insurance maps of Franklin, Venango County, Pennsylvania, April 1922 : including Rocky Grove, Polk, and Bleakley Hill. 1 map on 42 sheets : col. ; ... Sanborn Map Company.
1873. Beers, Comstock and Cline. Reproduction of plate 58 from Beers, Comstock and Cline's 1873 Somerset County Atlas map series, showing Franklin Township along with inset of Midd... N. J. Whitlock's, New Haven, CT.