POLS 253 : Introduction to Terrorism Studies (HC): Primary Resources

Contains full text declassified government documents owned by the National Security Archive covering world events, countries, and U.S. policy decisions. Includes collections of indexed documents (with new collections added yearly), glossaries, chronologies, bibliographies, overviews, and photographs. Coverage from post-World War II to the present.
See in particular these document collections within DNSA:
Documenting the FBI: Declassified Documents Provide New Detail on Confronting the Terrorist Threat – from al-Qaeda to Skinheads [July 2012]
Terrorism and U.S. Policy, 1968-2002
US. Intelligence Community after 9/11