David Abrahamsen papers, 1906-1990 1.26 linear feet Creator Abrahamsen, David, 1903-2002 Abstract Or Scope The David Abrahamsen Research Files consist primarily of drafts and notes for Abrahamsen's studies on Jack the Ripper and Richard Nixon. Correspondence with David Berkowitz, the Son of Sam serial killer, is also held in the collection. view more view less Rare Book & Manuscript Library