1. Ideological Realignment in the U.S. Electorate;Abramowitz;Journal of Politics,1998
2. American Humanist Association 1933 The Humanist Manifesto The New Humanist http://www.americanhumanist.org/who_we_are/about_humanism/Humanist_Manifesto_I
3. Ansolabehere , Stephen 2008 Guide to the 2007 Cooperative Congressional Election Survey http://web.mit.edu/polisci/portl/cces/material/CCES_2007_GUIDE.pdf
4. Ansolabehere , Stephen 2009 Guide to the 2008 Cooperative Congressional Election Survey http://web.mit.edu/polisci/portl/cces/material/CCES_Guide_2008_Rough_Draft_v2.pdf
5. Barker , David C. Christopher J. Carman 2008 The Partisan Implications of Representation Preferences