| African American Experience in Ohio: Overview of the experiences of African-Americans during the time period 1850 to 1920 in the words of the people that lived them. |
| Anti-Saloon League of Ohio: Historical information about the league, which helped bring about the Prohibition. |
| Archival Chronicle: Newsletter maintained since 1982 by the Center for Archival Collections at Bowling Green State University, with an emphasis on northwest Ohio. Links to most issues online. |
| Biography of Henry McCart: The life of an Ohio pioneer. |
| H-Ohio Discussion Network: An electronic discussion group for scholars and teachers interested in the history and culture of the state of Ohio. |
| Hill Billy Bear's Regional History of Appalachian Ohio: Articles and historic documents concerning Appalachian Ohio. |
| Iron Furnace History in Ohio: History of the iron furnace industry in southern Ohio. |
| Little Cities of Black Diamonds: Historical information, tours and pictures of the mining communities of southern Perry, eastern Hocking and northern Athens counties. |
| National China Company: The company operated in Salineville in the early part of the 20th Century. Site includes a brief history, and contains examples of pieces from the author's personal collection. |
| Ohio Biography: Ohio history, facts, laws, symbols and biographies of famous Ohioans. |
| Ohio History Central: An evolving, dynamic online encyclopedia that includes information about Ohio's natural history, prehistory and history. |
| Ohio Memory Online Scrapbook: Primary sources from archives, historical societies, libraries, and museums that document Ohio's past from prehistory through 1903. |
| Ohio's Transit History: Dedicated to the preservation of Ohio's public transit history and vehicles. |
| The Biographical Encyclopædia of Ohio of the Nineteenth Century: Includes portraits. Also an index. Searchable page images of 1876 book. |
| The Buckeye Chronicles: A compendium of Ohio history. |
| W. S. George Pottery Company: Plant operated in East Palestine from in the early to mid twentieth century. The site includes a brief history and examples of pieces from the author's collection. |
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