The bulk of the Sam Rivers Archive is comprised of Rivers' scores, including all of his numbered charts, unnumbered charts, and his arrangements of other composer's work. The collection also contains recordings, including Rivers' commercial releases, non-commercial releases, and videos. Other materials in the collection include posters and programs from Rivers' performances; photos, newspaper articles, and magazine articles about his work; correspondence and contracts; awards, personal mementos, and art. At this time, only his numbered and unnumbered charts are available.