1. Why candidate divergence should be expected to be just as great (or even greater) in competitive seats as in non-competitive ones;Adams;Public Choice,2010
2. Complex constituencies: Intense environmentalists and representation;Anderson;Environmental Politics,2011
3. Candidate positioning in U.S. House elections;Ansolabehere;American Journal of Political Science,2001
4. Assemblies of God Environmental protection http://ag.org/top/Beliefs/contempissues_02_environment.cfm
5. Bailey , Sarah Pulliam 2015 Inside the evangelical push to rally around animal ethics Washington Post http://www.washingtonpost.com/news/acts-of-faith/wp/2015/04/10/inside-the-evangelical-push-to-rally-around-animal-ethics/