Comprises: File 1: 'The first report of the thalassaemia-mental research syndrome', 1978-1981. File 2: 'First description of an elongated and global variant due to a mutation at the termination codon', 1970-1974. File 3: 'Background to the discovery of a gene deletion as the cause of thalassaemia – collaboration of Oxford/Beatson Institute Glasgow' 1973-1978. File 4: Correspondence regarding the Oxford Tropical Medicine Research Programme based at Mahidol University, Bangkok, 1978-1980. Includes research proposal of Dr. David Warrell who would set up the tropical medicine research unit in Bangkok (under the Wellcome Trust): ‘Pathophysiological studies of infectious disease, haemoglobinopathies and snake bite’. File 5: 'Outline of 15+ years of research and capacity building in Sri Lanka' relating to thalassaemia work in Sri Lanka. Comprises cuttings, correspondence, reports and biographical sketch, 1995-2005. File 6: File relating to the Asian Network for Thalassaemia Control, including 2nd and 3rd reports and list of collaborators, 2005-2007.