- Ancestry Online - Library Edition, must be used inside the library.
- Atlas of Historical County Boundaries
- Chronicling America - Search historic American newspapers digitized and offered online by the Library of Congress.
- Cyndi's List - Review lists of sites dedicated to researching particular places, types of records, ethnic and religious groups, and more.
- Family Search
- Find A Grave
- Ohio Death Indexes
- Ohio History Connection
- Ohio Obituary Index (Rutherford B. Hayes Presidential Center