| The Al Qaeda network: a new framework for defining the enemy K Zimmerman Critical Threats Project at the American Enterprise Institute, 2013 | 71 | 2013 |
| The Jihadi Threat: ISIS, al Qaeda and Beyond R Wright, JM Berger, W Braniff, C Bunzel, D Byman, J Cafarella, ... USIP, 2016 | 67* | 2016 |
| The terror threat from Somalia: the internationalization of al Shabaab C Harnisch, KL Zimmerman Critical Threats Project at the American Enterprise Institute, 2010 | 62 | 2010 |
| US Grand Strategy: Destroying ISIS and Al Qaeda, Report One: Al Qaeda and ISIS: Existential Threats to the US and Europe FW Kagan, K Kagan, J Cafarella, H Gambhir, K Zimmerman Institute for the Study of War and Critical Threats Project at the American …, 2016 | 59* | 2016 |
| America's Real Enemy: Understanding the Salafi-Jihadi Movement K Zimmerman Critical Threats Project at the American Enterprise Institute, 2017 | 26* | 2017 |
| AQAP: A Resurgent Threat K Zimmerman CTC Sentinel 8 (9), 19, 2015 | 23 | 2015 |
| Global Strategy for Combating al Qaeda and the Islamic State M Habeck, JJ Carafano, T Donnelly, B Hoffman, S Jones, FW Kagan, ... American Enterprise Institute, 2015 | 18 | 2015 |
| A New Model for Defeating al Qaeda in Yemen K Zimmerman American Enterprise Institute, 2015 | 16* | 2015 |
| AQAP’s Role in the al Qaeda Network KL Zimmerman testimony before the Subcommittee on Counterterrorism and Intelligence …, 2013 | 16* | 2013 |
| Salafi-jihadi Ecosystem in the Sahel K Zimmerman American Enterprise Institute, 2020 | 14* | 2020 |
| Al Qaeda’s Strengthening in the Shadows K Zimmerman Statement before the House Committee on Homeland Security Subcommittee on …, 2017 | 14* | 2017 |
| US Counterterrorism Objectives in Somalia: Is Mission Failure Likely K Zimmerman, JM Kantack, C Lahiff, J Indermuehle Critical Threats Project of the American Enterprise Institute, 2017 | 14 | 2017 |
| Al Shabaab and the challenges of providing humanitarian assistance in Somalia K Zimmerman Statement before the House Committee on Foreign Affairs Subcommittee on …, 2011 | 14 | 2011 |
| From Somalia to Nigeria: Jihad K Zimmerman The Weekly Standard 18, 2011 | 14 | 2011 |
| US Grand Strategy: Destroying ISIS and Al Qaeda, Report Three: Jabhat Al Nusra and ISIS: Sources of Strength J Cafarella, H Gambhir, K Zimmerman Institute for the Study of War and Critical Threats Project at the American …, 2016 | 13* | 2016 |
| AQAP post–Arab spring and the Islamic State K Zimmerman How al-Qaeda survived drones uprisings, and the Islamic State, 44-56, 2017 | 12 | 2017 |
| Al Qaeda in Yemen: Countering the Threat from the Arabian Peninsula K Zimmerman Critical Threats Project of the American Enterprise Institute, 2012 | 12 | 2012 |
| The Never-Ending War on Terror: Why the US Keeps Fighting the Wrong Battle K Zimmerman Foreign Affairs 11 (5), 2018, 2018 | 11 | 2018 |
| Signaling Saudi Arabia: Iranian Support to Yemen’s al Houthis K Zimmerman American Enterprise Institute Critical Threats Project, April 15, 2016 | 11 | 2016 |
| Yemen's Pivotal Moment KL Zimmerman Critical Threats Project of the American Enterprise Institute, 2014 | 11 | 2014 |
