The papers consist of personal materials, correspondence, compiled family letters, clippings, subject and writing files, photographs, Vietnam protest memorabilia, and audiovisual materials that document David Mixner's life as a gay male, leader in the gay rights movement, author, and political consultant and advisor. There is also a manuscript of the Mixner family genealogy by Patricia Mixner Annison, David's sister; addenda/errata to the family genealogy; get well cards and photographs of David Mixner circa 1950s-1960s.