1. Tyrrell DAJ (1988) Discovery of influenza viruses. In: Nicholson, Hay and Webster (eds). Textbook of Influenza. Blackwell, London, 19–26
2. Ferguson FR, Davey AFC, Topley WWC (1933) The value of mixed vaccines in the prevention of the common cold. JAMA 101:2042–49
3. Thompson KR (1991) Harvard Hospital and its volunteers. In: The story of the Common Cold Research Unit. Danny Howell Books, Warminster
4. Tyrrell DAJ (1990) The origins of the Common Cold Unit. J R Coll Physicians Lond 24:137–140
5. Tyrrell DAJ (1992) Acute respiratory virus infections. Indoor Environ 1:16–18