Betts, Richard K. "Two Faces of Intelligence Failure: September 11 and Iraq's Missing WMD," Political Science Quarterly, vol. 122, no. 4 (2007-08): 585- 606.
Chivers, C.J., Schmitt, Eric. "CIA is said to have bought and destroyed Iraqi Chemical Weapons." The New York Times, 15 Feb 2015. https://mobile.nytimes.com/2015/02/16/world/cia-is-said-to-have-bought-and-destroyed-iraqi-chemical-weapons.html?referer&_r=1
Cirincione, Joseph; Mathews, Jessica; Perkovich, George; Orton, Alexis. WMD in Iraq: Evidence and implications. DC: Carnegie Endowment for International Peace, 2004.
Davis, John. Presidential Policies and the Road to the Second Iraq War. VT: Ashgate, 2006.
Hersch, Seymour. "Selective Intelligence," The New Yorker, 12 May 2003. http://www.newyorker.com/magazine/2003/05/12/selective-intelligence
"The Intelligence Cycle," CIA. https://www.cia.gov/kids-page/6-12th-grade/who-we-are-what-we-do/the-intelligence-cycle.html
Johnson, Loch. National Security Intelligence. UK: Polity Press, 2012.
Kagan, Robert; Schmitt, Gary; Donnelly, Thomas. Rebuilding America's Defenses. DC: Project for the New American Century, 2000.
Kristol, William; Kagan, Robert. "Bombing Iraq Isn't Enough," The New York Times, 30 Jan 1998. http://www.nytimes.com/1998/01/30/opinion/bombing-iraq-isn-t-enough.html
Kwiatkowski, Karen. "The New Pentagon Papers," Salon, 10 Mar 2004. http://www.salon.com/2004/03/10/osp_moveon/
Logan, David. "Known knowns, known unknowns, unknown unknowns and the propagation of scientific enquiry," Journal of Experimental Botany, vol. 60, no. 3 (March 2009), 712-714. https://academic.oup.com/jxb/article/60/3/712/453685/Known-knowns-known-unknowns-unknown-unknowns-and
Ormand, David. Securing the State. UK: Oxford University Press, 2010.
Pfiffner, James; Phythian, Mark. Intelligence and National Security Policymaking on Iraq: British and American Perspectives. TX: Texas A&M University Press, 2008.
"Report on the U.S. Intelligence Community's Prewar Intelligence Assessments on Iraq." United States Select Senate Committee on Intelligence (9 July 2004). http://nsarchive.gwu.edu/NSAEBB/NSAEBB234/SSCI_phaseI_excerpt.pdf
Rose, David. "Neo Culpa," Vanity Fair (December 2006) http://www.vanityfair.com/news/2006/12/neocons200612
Shahak, Israel; Yinon, Oded. The Zionist Plan for the Middle East. MI: Association of Arab-American University Graduates
Stone, Oliver; Kuznick, Peter. The Untold History of the United States. NY: Gallery Books, 2012.
Wemple, Erik. "Judith Millter tries, and ultimately fails, to defend her flawed Iraq reporting." The Washington Post, 9 Apr 2015. https://www.washingtonpost.com/opinions/a-reporters-defense-of-her-flawed-reporting/2015/04/09/5bf93f14-de15-11e4-a500-1c5bb1d8ff6a_story.html?utm_term=.d4b259628596
Wilson, Joe. "What I Didn't Find in Africa," The New York Times, 6 July 2003. http://www.nytimes.com/2003/07/06/opinion/what-i-didn-t-find-in-africa.html