| | Database Title | Category | | Names |
|---|
 | Ellsworth R. Bathrick, 1863 - 1917 | Birth, Marriage and Death Records | | 1,929 |
 | The Fairfield County, Ohio, Families: Ashbaugh, Cherry, Davis, Leib | Birth, Marriage and Death Records | | 2,490 |
 | History of Columbiana County, Ohio: With Illustrations and Biographical Sketches of Some of its Prominent Men and Pioneers | Birth, Marriage and Death Records | | 54,699 |
 | History of Hancock County, Ohio: Geographical and Statistical | Birth, Marriage and Death Records | | 25,014 |
 | The History of Ohio: From its Earliest Settlement to the Present Time | Birth, Marriage and Death Records | | 16,618 |
 | Marriage Records of Scioto County, Ohio, 1803 - 1860 | Birth, Marriage and Death Records | | 23,018 |
 | The Moravians on the Cuyahoga | Birth, Marriage and Death Records | | 1,691 |
 | St. Luke's Records 1829 - early 1900's Danville, Knox County, Ohio | Birth, Marriage and Death Records | | 28,446 |
 | Washington County, Ohio Marriages, 1789 - 1840 | Birth, Marriage and Death Records | | 13,167 |
 | The Welsh of Columbus, Ohio: A Study in Adaptation and Assimilation | Birth, Marriage and Death Records | | 8,616 |
 | Butler County Democrat (Hamilton, Ohio) | Newspapers and Periodicals | | 5,451,192 |
 | Chronicle Telegram (Elyria, Ohio) | Newspapers and Periodicals | | 4,639,218 |
 | Delphos Daily Herald (Delphos,Ohio) | Newspapers and Periodicals | | 30,009 |
 | Evening Gazette (Xenia, Ohio) | Newspapers and Periodicals | | 410,866 |
 | Hamilton Daily Democrat (Hamilton, Ohio) | Newspapers and Periodicals | | 1,711,767 |
 | Hamilton Daily News (Hamilton,Ohio) | Newspapers and Periodicals | | 2,319 |
 | Hamilton Daily Republican (Hamilton,Ohio) | Newspapers and Periodicals | | 1,873 |
 | Hamilton Evening Democrat (Hamilton, Ohio) | Newspapers and Periodicals | | 597,111 |
 | Hamilton Evening Journal (Hamilton, Ohio) | Newspapers and Periodicals | | 137,360 |
 | Hamilton Evening Sun (Hamilton, Ohio) | Newspapers and Periodicals | | 170,088 |
 | Hamilton Sun (Hamilton, Ohio) | Newspapers and Periodicals | | 203,676 |
 | Hamilton Telegraph (Hamilton, Ohio) | Newspapers and Periodicals | | 1,013 |
 | Hamilton Weekly Sun (Hamilton, Ohio) | Newspapers and Periodicals | | 42,255 |
 | Marysville Tribune (Marysville,Ohio) | Newspapers and Periodicals | | 89,496 |
 | Massillon Item (Massillon,Ohio) | Newspapers and Periodicals | | 83,320 |
 | Miami Helmet, The (Piqua,Ohio) | Newspapers and Periodicals | | 202,164 |
 | Morning Republican (Xenia, Ohio) | Newspapers and Periodicals | | 1,306 |
 | Piqua Daily Call and Piqua Press-Dispatch, The (Piqua,Ohio) | Newspapers and Periodicals | | 2,882 |
 | Piqua Daily Call, The (Piqua,Ohio) | Newspapers and Periodicals | | 177,587 |
 | Piqua Daily Press (Piqua,Ohio) | Newspapers and Periodicals | | 11,522 |
 | Piqua Leader-Dispatch (Piqua,Ohio) | Newspapers and Periodicals | | 1,090 |
 | Piqua Leader-Dispatch, The (Piqua,Ohio) | Newspapers and Periodicals | | 149,852 |
 | Itinerary of the Seventh Ohio Volunteer Infantry 1861-1864 | Military Subjects | | 42,666 |
 | The Abraham Holman Family of Ross County, Ohio | Social, Regional and General History | | 4,052 |
 | The Ancestors of Silas Tinker in America from 1637: A Partial Record | Social, Regional and General History | | 617 |
 | Capt. James Gibson and Anna Belle, his Wife and Their Descendants, Pioneers of Youngstown, Ohio | Social, Regional and General History | | 1,358 |
 | Family History of Jeremiah Fenton (1764-1841) of Adams County, Ohio and His Descendants | Social, Regional and General History | | 10,513 |
 | A Genealogy and Brief History of the Haverfield Family of the United States: One of the Pioneer Settlers of Jefferson County, Ohio | Social, Regional and General History | | 17,408 |
 | Genealogy of the Descendants of John Henry of Bern Township, Athens County, Ohio | Social, Regional and General History | | 5,333 |
 | Historical Collections of Harrison County: in the State of Ohio | Social, Regional and General History | | 65,446 |
 | History and Genealogy of the Families of Old Fairfield, Volume 2, Part 1 | Social, Regional and General History | | 45,979 |
 | History and Genealogy of the Famlies of Old Fairfield, Volume 2, Part 2 | Social, Regional and General History | | 69,925 |
 | History of Athens County, Ohio | Social, Regional and General History | | 16,840 |
 | The Keck Family with Special Reference to the Descendants of Michael Keck, who Came to Ohio in 1806 | Social, Regional and General History | | 3,848 |
 | A Pilgrimage in America, Leading To the Discovery of the Sources of the Mississippi and Bloody River: With a Description of the Whole Course of the Former, and of the Ohio | Social, Regional and General History | | 2,800 |
 | Seth Adams: A Pioneer Ohio Shepherd | Social, Regional and General History | | 2,352 |
 | The Six Nations. an Address Delivered Before the Chautauqua Society of History and Natural Science At Its Semi-Annual Meeting Held in Jamestown, January 29, 1885 | Social, Regional and General History | | 657 |
 | A Sketch of Stephen Guthrie, Senior and His Children: A Pioneer Family of the Ohio Land Company of 1787 | Social, Regional and General History | | 2,048 |
 | A Supplement to the Abraham Holman of Ross County, Ohio | Social, Regional and General History | | 2,632 |
 | Western Reserve and Northern Ohio Historical Society, Cleveland, Ohio, November 1872, Number 12 | Social, Regional and General History | | 181 |
 | Abstract of Probate Records, Washington County, Ohio: Wills, Estates & Guardianships [1789-1855] | Court, Land, and Probate Records | | 7,318 |
 | Federal Land Series, Volume 4, Grants in the Virginia Military District of Ohio | Court, Land, and Probate Records | | 70,233 |
 | Land Patents - Ohio | Court, Land, and Probate Records | | 104,783 |
 | Centennial History of Licking County, Ohio | Miscellaneous Records and Reference | | 5,445 |
 | Cincinnati's Beginnings: Missing Chapters in the Early History of the City and the Miami Purchase, Chiefly From Hitherto Unpublished Documents | Miscellaneous Records and Reference | | 13,586 |
 | Cleveland Congregationalists 1895: Historical Sketches of Our Twenty-Five Churches and Missions | Miscellaneous Records and Reference | | 12,871 |
 | The Early History of Lorain County: Historical Address | Miscellaneous Records and Reference | | 4,589 |
 | Early Setttlements of Warren, Trumbull Counties, Ohio | Miscellaneous Records and Reference | | 2,226 |
 | Farm Life in Central Ohio Sixty Years Ago | Miscellaneous Records and Reference | | 3,931 |
 | First Ownership of Ohio Lands | Miscellaneous Records and Reference | | 7,228 |
 | Historical Landmarks: Story of Their Location and Significance | Miscellaneous Records and Reference | | 3,823 |
 | Historical Lights and Shadows of the Ohio State Penitentiary | Miscellaneous Records and Reference | | 10,513 |
 | History of Belmont and Jefferson Counties, Ohio | Miscellaneous Records and Reference | | 113,379 |
 | The History of Granville, Licking County, Ohio | Miscellaneous Records and Reference | | 23,975 |
 | History of River Scioto Valley, Ohio | Miscellaneous Records and Reference | | 86,289 |
 | The Official Roster of the Soldiers of the American Revolution Buried in the State of Ohio | Miscellaneous Records and Reference | | 121,399 |
 | Ohio in the Rainbow: Official Story of the 166th Infantry, 42nd Division in the World War | Miscellaneous Records and Reference | | 45,241 |
 | Old Fort Sandoski of 1745 and the Sanusky Country | Miscellaneous Records and Reference | | 5,062 |
 | The Old Houses and the Taylor-Livingston Centenary | Miscellaneous Records and Reference | | 3,473 |
 | Old Keys: An Historical Sketch of Clear Creek Township, Ashland County, Oihio and of Savannah, the Township's Only Village | Miscellaneous Records and Reference | | 34,275 |
 | Pioneer Period and Pioneer People of Fairfield County, Ohio | Miscellaneous Records and Reference | | 25,831 |
 | Surveys of the Public Lands in Ohio | Miscellaneous Records and Reference | | 453 |
 | Tom L. Johnson, Mayor of Cleveland | Miscellaneous Records and Reference | | 928 |
 | War History of Union County: Containing a History of the Services of Union County Soldiers in the War of the Revolution, the War of 1812, the War With Mexico, 1846 - 1847, and the War of the Rebellion, 1861 - 1865 | Miscellaneous Records and Reference | | 19,004 |
 | The Western Gazetteer or Emigrant's Directory viz the states of Kentucky, Indiana, Louisiana, Ohio, | Miscellaneous Records and Reference | | 3,522 |