The September 11, 2001, Documentary Project captures the reactions, eyewitness accounts, and diverse opinions of Americans and others in the months that following the attacks on the World Trade Center, the Pentagon, and United Airlines Flight 93.
Common themes: patriotism, unity, sadness, anger, and insecurity
~200 audio and video interviews, 45 graphic items, and 21 written narratives.
The September 11 Digital Archive
see also: award winning high school lesson plan for Teaching 9-11
Question: Should the Government go beyond the normal limits of its authority during wartime?
College & University Syllabi for teaching 9-11
Smithsonian: September 11 Bearing Witness to History
The New Trier Library has collected an awesome set of web resources for September 11 and Terrorism.
See also: New Trier Library collection-- Books/AV relevant to the issues surrounding September 11 including many wonderful books of photography: