Osama Bin Laden Warned Of Civil War Between Jihadi Groups : Parallels : NPR

Afghanistan's Terrorism Challenge: The Political Trajectories of al-Qaeda, the Afghan Taliban, and the Islamic State

No Direction Home: Returns from Guantanamo to Yemen

Ayman al-Zawahiri Was an Influential Figure of Modern Jihad - WSJ

Afghanistan, Iraq, and the war on terror - Peace History

Non-State Actors The Heritage Foundation

The Looming Tower: Al-Qaeda and the Road to 9/11 by Lawrence Wright

Still No Storm in the Ocean: New Jihadist Narratives on Indian Islam

CQ Researcher - ISIS in Africa

Horror or Hype: The Challenge of Chemical, Biological, Radiological, and Nuclear Terrorism

The Looming Tower: Al-Qaeda and the Road to 9/11 by Lawrence Wright

Exploiting Disorder: al-Qaeda and the Islamic State

Biden Appeared to Overstate the Role of Al Qaeda's Leader - The New York Times