Correspondence, reports and other papers relating to Gowans's work as a consultant for the World Health Organization, Advisory Group on Biomedical Research on AIDS: Folder 1: 1987-1988, including Conference on the Development of Vaccines against HIV and AIDS, December 1987. (=Res.) Folder 2: 1989. (=Res.) Folder 3: Appointment as consultant, 1987, including travel…