Comprises: Folder 1: Visit to USA: Meeting of Genome Mapping and Sequencing and the Third Meeting of HUGO Council, Cold Spring Harbor, New York, USA, 2-6 May 1990. Correspondence, programmes, background papers, manuscript notes and associated papers Folder 2: Organisation of European Cancer Institutes Twelfth Meeting of the General Assembly and Associated Meetings, Rome, Italy, 7-8 May…