Comprises: Folder 1: '9 WS Families'. Donor forms, family trees, data set information and associated correspondence, 1982-1986 Folder 2: 'Kaposis'. Donor papers and correspondence. Includes material relating to the safety of working with Kaposis sarcoma samples (Kaposis sarcoma is a malignant neoplasm associated, in its virulent form with AIDS), 1983-1985