- Association of Former Intelligence Officers
- AFIO provides a venue for applying independent, seasoned professional expertise and perspectives to historic, current, and future national, corporate and public security issues.
- Documents on cryptology, dual-use technologies, and national security and intelligence. Includes archives.
- The Literature of Intelligence
- A searchable archive of materials covering such aspects of intelligence such as histories, collection and analysis, covert action, US and foreign agencies, signals intelligence, counterintelligence, terrorism, oversight and links to related web sites.
- United Kingdom Intelligence Agencies
- Profile of British intelligence agencies, including structure and areas of operation and lines of accountability.
- Virtual World of Intelligence
- Links to spy agencies, military intelligence, and counterintelligence.
- An Assessment of the Aldrich H. Ames Espionage Case
- From the Senate Select Committee on Intelligence, 01 November 1994.