Mercer County

MF 5241 no. 1: History of Van Wert and Mercer Counties, Ohio, with Illustrations and Biographical Sketches of Some of its Prominent Men and Pioneers. Wapakoneta, Ohio: R. Sutton, 1882.

MF 5250 no. 2: Lutz, Martin. Atlas of Mercer County, Ohio, Containing Maps of the Townships, Villages and Towns of the County. Celina, Ohio: J. E. Hamburger, 1900.