The most reliable source of information regarding current Ohio ballot measures is the Ohio Secretary of State's website. Information about ballot measures can also be obtained at Ballotpedia.
The Elections and Voting: Legislation and Ballot Issues section of the Ohio Secretary of State's website provides the exact language of each ballot measure, along with further explanation and the common arguments for and against the ballot measure. Ballotpedia offers general information about ballot measures, their specific wording, historical facts regarding Ohio ballot measures, voter guides, current polling data and demographics. The site also provides information about the procedures for gaining ballot access in Ohio.