Butler County War Deaths - Provides a listing of Butler County soldiers that died in the service of our country. Includes World War I through El Salvador. www.angelfire.com/oh5/hamilton
Butler County, OH, USGenWeb Site - Genealogy, family history, county history, online searches including local history books. www.rootsweb.com/~ohbutler
Butler OHGenExchange - A genealogical data exchange where visitors and researchers alike can go to find specific persons, and exchange specific data with one another. www.genexchange.org/county.cfm?State=oh&County=butler
