Correspondence Correspondence, reports, information packs relating to exchanges between Virginia Berridge and members of the ISDD regarding matters such as the appointment of a director, twenty-fifth anniversary of the institute and her appointment as a Trustee of the institute. Papers include a copy of the booklet, 'ISDD: The first 25 years: A Celebration', ISDD annual report & accounts 1991-1992, manuscript notes and letters to former director, Jasper Woodcock, OBE and Harry Shapiro. 1992-1997