1. Repeal effort says more than 700,000 signed; Group needs 231,149 valid signatures to put issue before voters;Bischoff;Dayton Daily News,2011
2. Public sector unions: A convenient scapegoat;Boccardy;Working USA,2011
3. The public turn: From labor process to labor movement;Burawoy;Sociologia del Lavoro,2011
4. Bureau of Labor Statistics: U.S. Department of Labor. 2012 http://www.bls.gov/news.release/archives/union2_01272012.pdf
5. Bureau of Labor Statistics: U.S. Department of Labor. 2015 http://www.bls.gov/regions/midwest/news-release/UnionMembership_Ohio.htm