al-Qaeda
al-Qaeda & ISIS 20 Years After 9/11 - Wilson Center
al-Qaeda's Resurrection - Council on Foreign Relations
al-Qaeda - Stanford University
al-Qaeda Core: a short history - Foreign Policy
al-Qaeda Organization & the Islamic State Organization - Strategic Studies Institute
Persistent Threat: The Evolution of Al Qa'ida & Other Salafi Jihadists - RAND
ISIS or ISIL
The Islamic State and U.S. Policy - Congressional Research Service
ISIS Fast Facts - CNN
Timeline: Rise & Spread of the Islamic State - Wilson Center
IS
Islamic State - Council on Foreign Relations
Islamic State - RAND
Islamic State: Mapping Militant Organizations - Stanford University
What we know about ISIS-K - NPR
What is ISIS-K? - CBS
What is ISIS-K? - The Washington Post
Taliban
Who are the Taliban? - BBC
The Taliban in Afghanistan - Council on Foreign Relations
Afghanistan: Rise of the Taliban - NPR (Podcast)
One Year Later: Taliban Reprise Repressive Rule, but Struggle to Build a State - United States Institute of Peace
In Focus: Women in Afghanistan One Year After the Taliban Takeover - UN Women
Comparing Al Qaeda and ISIS: Different goals, different targets - Brookings
ISIL, ISIS, Islamic State, Daesh : What's the Difference? - International Business Times
ISIS, ISIL, or Islamic State: What's in a Name? - NPR
ISIS, ISIL or the Islamic State - CNN
Kurds in Iraq and Syria: U.S. Partners Against the Islamic State - Congressional Research Service
Time of the Kurds - Council on Foreign Relations
Who are the Kurds? - BBC
Who are the Kurds? - Aljazeera
al-Qaeda (AQ) - a radical Islamist terrorist group whose origins stem from the Soviet war in Afghanistan
ISIS and ISIL - ISIS and ISIL are the same group translated slightly differently (Islamic State of Iraq and Syria or Islamic State of Iraq and the Levant), ISIS is a radical Islamist terrorist group that splintered from al-Qaeda and is based in Syria
IS - (Islamic State) a radical Islamist terrorist group formed from ISIS/ISIL but broadening its geographic area worldwide, claims authority over all jihadist groups
ISIS-K - a regional ISIS affiliate group, based in Afghanistan and Pakistan, led by two former Taliban members; also known as ISIS - Khorasan
JNIM - an al-Qaeda affiliate group in Mali and other nearby parts of West Africa. The acronym stands for Jamaat Nasr al Islam wa al-Mulsimin