Jihadi magazines: al-Jihad, al-Bunyan al-Marsus and other Arab-language magazines from the 1980s is available on the Jihadi Document Repository at the University of Oslo.
Internal al-Qaida documents: The Tareekh Osama and Tareekh Musadat collections are available on the Inside the Jihad blog. The so-called Bin Ladin Audiotapes are available at Yale University Library. Many of the so-called Harmony Documents are available at the Captured Document Index. More recent documents from the Abbottabad collection are available in the early releases by DNI and then in the much larger release by the CIA.
Literature on Islamism: A large bibliography (2005) compiled by Jennifer Mitchell and Arshi Saleem Hashmi for the Keiser Library is available here.
Literature on foreign fighters: A large bibliography compiled by Eric Price for Perspectives on Terrorism is available here.
Literature on al-Qaida and related groups: A large bibliography compiled by Judith Tinnes for Perspectives on Terrorism is available here.
Other jihadi sources: Archived versions of the large jihadi text repository Minbar al-Tawhid wa’l-Jihad (www.tawhed.ws) can still be accessed through Waybackmachine.
Contemporary jihadi primary sources: The Jihadology website has a large repository of jihadi propaganda produced after 2009.
The Caravan 