It is easy to find information about 9/11 in every format. There are primary sources such as: reports, documents, photographs, and videos, and oral reports. There are secondary sources such as encyclopedias, films, books,essays, and journal articles. This page is starting point for finding a variety of sources.
This video of an Emory University professor discussing 9/11 was taken from EDU Youtube. An educational video sight (hosted by Youtube) that features programming only from educational institutions.