The web address of the Ohio Historical Society is: http://www.ohiohistory.org
The web address of the Sebring Ohio Historical Society is: http://www.sebringohiohistoricalsociety.or
The phone number of the Sebring Ohio Historical Society is: 330-938-6920.
The address of the Sebring Ohio Historical Society is: Po Box 127, Sebring, OH 44672
The web address of the United Methodist Historical Society Of Ohio is: http://umhso.org/
The phone number of the Glendower Museum Ohio Historical Society is: 513-932-5366.
The address of the Historical Society Of Smithfield Ohio is: Po Box 32, Smithfield, OH 43948-0032
The phone number of the Mason Historical Society is: 513-398-6750.
The address of the Washington County Historical Society Of Ohio is: Po Box 103, Marietta, OH 45750
The address of the Glendower Museum Ohio Historical Society is: 105 Cincinnati Ave, Lebanon, OH 45036
The web address of the Railroad Model And Historical Society Of Southeastern Ohio I is: http://www.ironheadsofseo.org
The web address of the Ohio County Historical Society is: http://www.ohiocountyinmuseum.org