1. 2014 Talkers Heavy Hundred 1-20 http://www.talkers.com/heavy-hundred
2. Albert , Stephen G. 2010 Rush Limbaugh Audience Demographics http://www.sgalbert.com/2010/03/rush-limbaugh-audience-demographics.html
3. The Disproportionate Impact of Voter-ID Requirements on the Electorate: New Evidence from Indiana;Barreto;Political Science and Politics,2009
4. Biedlingmaier , Matthew 2007 Beck on Being a White Christian who “Loves America”: “I Just Can't Win” http://mediamatters.org/video/2007/04/02/beck-on-being-a-white-christian-who-loves-ameri/138469
5. Brown , Hayes 2014 Pentagon: Congress's Benghazi Witch-Hunts Have Cost Millions Of Dollars http://thinkprogress.org/world/2014/03/26/3419097