Stanford University
Comparison of Free Jazz to 20th Century Classical Music
A very indepth examination of free jazz. Site contains music theory and specific illustrated examples.
Smithsonian Institution
National Portrait Gallery: Eye Contact: Ornette Coleman
A brief audio discussion of Elaine de Kooning's charcoal drawing of saxophonist, Ornette Coleman. Interesting comments by Wendy Wicks Reaves, curator at the National Portrait Gallery.
Other
Oculus Magazine: Free Jazz
A short description of the free jazz movement, and a timeline of important movements in jazz.