NOTE: Since the Family History Library (FHL) is the largest archive of Ohio research sources, all of the resources in the following list are freely available there. The * indicates a book is also on film or fiche available to Family History Centers, and + indicates Internet access. If a call number has changed, use the online catalog of the FHL and do a keyword search.
The Family History Library has records on microfilm from all 88 county courthouses, and other materials from the Ohio Network of American History Research Centers.
Attached is a list of some favorite resources. What are yours for Ohio ancestors?