The material on this website was gathered from a number of sources.
Interviews with individuals who were directly involved in the outbreaks.
The official report on the outbreaks: Smallpox 1961-62 (Reports on Public Health and Medical Subjects No. 109) London, HMSO, 1963.
Smallpox: the South Wales outbreak, 1962, R. B. Morley-Davies, RSH.
Records of the outbreak at Glanrhyd Hospital, Bridgend.
Records in the National Archive, Kew – especially file MH96/1226 (see Documents).
Contemporary reports in the South Wales Echo and Western Mail.
Bradford Telegraph & Argus ‘Stories of the Century’ 2002.
Archive images and stills from ITV Wales This Week 2002 (by permission of the ITV Wales Archive). Other photographs are reproduced under Creative Commons licenses (see links in captions).