1. Baudette, F.R. and Hudson, C.B. New recognized Poultry disease. North American Vet. 1933; 14: 50–54.
2. Baudette, F. R. and Hudson, C. B. Cultivation of the virus of infectious bronchitis. J. Am. Vet. Med. Assoc. 1937; 90: 51–60.
3. Gledhill, A. W. and Andrewes, C. H. A hepatitis virus of mice. Brit. J. Exp. Path. 1951; 32: 559–568.
4. Gledhill, A. W., Dick, G.W.A. and Andrewes, C. H. Production of hepatitis in mice by the combined action of two filterable agents. Lancet 1952; 2: 509–511.
5. Gledhill, A. W. and Niven, J.S.F. Latent virus as exemplified by mouse hepatitis virus (MHV). Vet. Rev. Annot. 1955; 1: 82–90.