This series comprises 1/4-inch reel-to-reel audiotapes, audiocassettes, film, VHS videotapes, DVDs and a 1-inch quad videoreel. In particular, it includes Berzon's Encountertape series, which are audiovisual therapy session kits which Berzon developed and produced. This series also includes dozens of sound recordings from Berzon's therapy training sessions; speaking engagements, lectures and public appearances; production elements and demos for audio programs; interviews; and other recordings.