African-American Experience in Ohio: This digital collection illuminates specific moments in the history of Ohio's African-Americans and provides an overview of their experiences during the time period 1850 to 1920 in the words of the people that lived them.

Encyclopedia of American History Digital Collection: The Lexis-Nexis Serial Set digital collection spanning the years 1789 to 1969 is available by remote access to all State Library of Ohio card holders. If you do not have a State Library of Ohio card, there is an online patron registration form here.

Explore Ohio: The largest source of everything Ohio! Find Ohio-focused websites by category or by county.

Ohio History Central Encyclopedia: Ohio History Central is an evolving, dynamic online encyclopedia that includes information about Ohio's natural history, prehistory and history.

Ohio Memory Online Scrapbook: Discover 26,000 primary sources from 330 archives, historical societies, libraries and museums that document Ohio's past from prehistory through the present.

ProQuest Historical Newspapers: The Cincinnati Enquirer (1841-1922): The Cincinnati Enquirer (1841 - 1922) offers full page and article images with searchable full text back to the first issue. The collection includes digital reproductions providing access to every page from every available issue.

Sanborn Fire Insurance Maps: Large scale street plans including building outlines, property boundaries, and building use produced by the Sanborn Fire Insurance Company from 1867-1970. Locate buildings and neighborhoods. See a neighborhood as it was. Study the growth of towns and cities. Identify the impact of new developments.