I looked at my own paper and (in addition to the Nash book, that someone already recommended), here are some other books & articles I found useful:
Kristol, I., “American Conservatism, 1945-1995,” The Public Interest (Fall 1995), pp.86-87
Sleeper, J., “The Fall of the Liberal Establishment,” http://hnn.us/articles/4526.html
Podhoretz, N., “Neoconservatism: A Eulogy,” Commentary (Mar. 1996), http://www.commentarymagazine.com/viewarticle.cfm/neoconservatism–a-eulogy-8533
Fonte, J., “Why There is a Culture War: Gramsci and Tocqueville in America” http://www.orthodoxytoday.org/articles/FonteCultureWar.php
Collier, P. and Horowitz, D., Destructive Generation: Second Thoughts About the ‘60s (1996)
Wattenberg, B., The First Universal Nation (1992)
Schlessinger, A., The Disuniting of America (1992, 1998)
Review by MacDonald, H., Commentary (June 1992), http://www.commentarymagazine.com/viewarticle.cfm/the-disuniting-of-america–by-arthur-m–schlesinger–jr–7982
Kristol, I., “The Neoconservative Persuasion,” The Weekly Standard (Aug. 2003), http://www.weeklystandard.com/Content/Public/Articles/000/000/003/000tzmlw.asp?page=2
Krauthammer, C., Democratic Realism: An American Foreign Policy for a Unipolar World (2004)
Wattenberg, B. interviewed by Steigerwald, B., “Ben Wattenberg’s Fighting Words,” FrontPageMag (01 Dec 2008), http://archive.frontpagemag.com/readArticle.aspx?ARTID=33242
Kesler, C., “All Against All,” National Review (18 Aug 1989), http://www.claremont.org/publications/pubid.483/pub_detail.asp
The Guardians: Kingman Brewster, His Circle, and the Rise of the Liberal Establishment (Kabaservice, G.)