Ohio History Central - An evolving, dynamic online encyclopedia that includes information about Ohio's natural history, prehistory and history. - http://www.ohiohistorycentral.org/
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. - http://www.bgsu.edu/colleges/library/cac/chron.html
H-Ohio Discussion Network - An electronic discussion group for scholars and teachers interested in the history and culture of the state of Ohio. - http://www.h-net.org/~ohio/
Little Cities of Black Diamonds - Historical information, tours and pictures of the mining communities of southern Perry, eastern Hocking and northern Athens counties. - http://www.littlecitiesofblackdiamonds.org/
Iron Furnace History in Ohio - History of the iron furnace industry in southern Ohio. - http://www.oldeforester.com/ironintr.htm
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. - http://nationalchina.jdfiles.org/
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. - http://wsgeorge.jdfiles.org/
Ohio Memory Online Scrapbook - Primary sources from archives, historical societies, libraries, and museums that document Ohio's past from prehistory through 1903. - http://www.ohiomemory.org/
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. - http://dbs.ohiohistory.org/africanam/
Anti-Saloon League of Ohio - Historical information about the league, which helped bring about the Prohibition. - http://www.wpl.lib.oh.us/AntiSaloon/
Ohio's Transit History - Dedicated to the preservation of Ohio's public transit history and vehicles. - http://www.omot.org/history/index.html
The Buckeye Chronicles - A compendium of Ohio history. - http://www.lkwdpl.org/buckeye/index.html