The Barbara Fassbinder papers date from 1958 to 1998 and measure 6 linear inches. The collection is arranged into six series: Biographical and Family, Correspondence, Published material, Political Activities, Conferences, and Photographs and Videocassettes.

The collection contains a few papers and photographs relating to Fassbinder and her family; however, the bulk of the collection consists of letters of support and newpaper and magazine articles concerning Fassbinder, her family, and her political activities. The collection also includes material relating to conferences at which Fassbinder spoke or attended. There are also videocassette recordings of televised interviews and newscasts about her and her support for the rights of AIDS patients in the 1990s.