1. The Defense of Marriage Act and American Exceptionalism;Adam;Journal of the History of Sexuality,2003
2. Cohort Differences in Tolerance of Homosexuality;Andersen;Public Opinion Quarterly,2008
3. The Shifting Foundations of Public Opinion About Gay Rights;Brewer;Journal of Politics,2003
4. Trends;Brewer;Public Opinion Quarterly,2005
5. Bush , George W. 2004 President Calls for Constitutional Amendment Protecting Marriage http://www.whitehouse.gov/news/releases/2004/02/20040224-2.html