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• African American Genealogical Society of Cleveland
• Allen County Chapter, Ohio Genealogical Society
• Ashland County Chapter, OGS
• Ashtabula County Chapter, OGS
• Athens County Chapter, OGS
• Auglaize County Chapter, OGS
• Belmont County Chapter, OGS
• Brooklyn Genealogy Club
• Brown County Chapter, OGS
• Butler County Chapter, OGS
• Carroll County Chapter, OGS
• Champaign County, OH Genealogical Society
• Clark County Chapter, OGS
• Clermont County Genealogical Society
• Cleveland POINTers (Genealogy Group)
• Clinton County Genealogical Society
• Columbiana County Chapter, OGS
• Coshocton County Chapter, OGS
• Crawford County Chapter, OGS
• Cuyahoga Valley Chapter, OGS
• Cuyahoga West Chapter, OGS
• Darke County Chapter, OGS
• Defiance County Chapter, OGS
• Delaware County Chapter, OGS
• East Cuyahoga Chapter, OGS
• Fairfield County Chapter, OGS
• Fayette County Chapter, OGS
• Florida Chapter, OGS
• Franklin County Genealogical & Historical Society
• Fulton County Chapter, OGS
• Gallia County Chapter, OGS
• Geauga County Chapter, OGS
• Greater Cleveland Chapter, OGS
• Greene County Chapter, OGS
• Guernsey County Chapter, OGS
• Hamilton County Genealogical Society
• Hancock County Chapter, OGS
• Hardin County Chapter, OGS
• Harrison County Chapter, OGS
• Henry County Chapter, OGS
• Holmes County Chapter, OGS
• Hudson Genealogical Study Group
• Hungarian Club of Toledo
• Hungarian Genealogical Society of Greater Cleveland
• Huron County Chapter, OGS
• Jackson County Chapter, OGS
• Jefferson County Chapter, OGS
• Jewish Genealogy Society of Cleveland
• Knox County Chapter, OGS
• Lake County Chapter, OGS
• Lawrence County Chapter, OGS
• Licking County Chapter, OGS
• Logan County Chapter, OGS
• Lorain County Chapter, OGS
• Lucas County Chapter, OGS
• Mahoning County Chapter, OGS
• Marion Area Chapter, OGS
• Medina County Chapter, OGS
• Mercer County Chapter, OGS
• Miami County Historical and Genealogical Society
• Monroe County Chapter, OGS
• Montgomery County Chapter, OGS
• Morgan County Chapter, OGS
• Morrow County Chapter, OGS
• Muskingum County Chapter, OGS
• Noble County Chapter, OGS
• Oberlin African-American Genealogy & History Group
• Oberlin African-American Genealogy & History Group
• Ohio Chapter of Palatines to America German Genealogy Society
• Ohio Chapter of the Slovenian Genealogy Society International
• Ohio Genealogical Society
• Ottawa County Chapter, OGS
• Palatines to America German Genealogy Society Ohio Chapter
• Paulding County Chapter, OGS
• Perry County Chapter, OGS
• Pickaway County Chapter, OGS
• Pike County Chapter, OGS
• Portage County Chapter, OGS
• Richland County Chapter, OGS
• Richland-Shelby Chapter, OGS
• Ross County Genealogical Society, OGS
• Sandusky County Chapter, OGS
• Scioto County Chapter, OGS
• Seneca County Chapter, OGS
• Shelby County Chapter, OGS
• Southern Ohio Chapter of Highland County, OGS
• Stark County Chapter OGS
• Summit County Chapter, OGS
• Toledo Polish Genealogical Society
• Trumbull County Chapter, OGS
• Tuscarawas County Chapter, OGS
• Union County Chapter, OGS
• Vinton County Chapter, OGS
• Warren County Chapter, OGS
• Washington County Chapter Ohio Genealogical Society
• Wayne County Chapter, OGS
• Williams County Chapter, OGS
• Wood County Chapter, OGS
• Wyandot County Chapter, OGS