Ohio Academy of History - Professional society bringing together teachers, scholars, public historians, and students interested in all fields of history. oah.history.ohio-state.edu
Ohio Historical Society - Promoting knowledge of archaeology and history in Ohio. www.ohiohistory.org
Ohio Postal History Society - Aims to cultivate and promote the study of postal history of the State of Ohio and to assist in the publication of such knowledge. members.aol.com/OPHS3/ophs.html
Ohio Society Sons of the American Revolution - Aims to perpetuate the memory of those who, by their services or sacrifices during the war of the American Revolution, achieved the independence of the American People. www.sar.org/ohssar/ohssar.html
Ohio Society War of 1812 - The Society of the War of 1812 in the State of Ohio. www.udata.com/users/hsbaker/ohio1812.htm
